CVE-2026-85540

Executive Summary

CVE-2026-85540 is a SQL injection vulnerability in DreamMaker, a product developed by Interinfo. An authenticated remote attacker can exploit this flaw to inject arbitrary SQL commands into database queries, allowing full read, modification, and deletion of database contents. The vulnerability carries a CVSS score of 8.8 (High) and affects any deployment of DreamMaker exposed to authenticated network access. As of this writing, no vendor patch is available, no public exploit code exists, and the vulnerability is not listed on CISA's Known Exploited Vulnerabilities (KEV) catalog. The product name suggests deployment in web-facing environments, making network-accessible DreamMaker instances the primary affected population.

Technical Analysis

Vulnerability Class: CWE-89 (SQL Injection)

Mechanism: The NVD description confirms that DreamMaker fails to properly sanitize or parameterize user-supplied input before it is incorporated into SQL queries executed against the underlying database. Because the attack requires authentication ("Authenticated remote attackers"), the vulnerable parameter(s) are reached only after a valid session or credential is established. The injection vector likely resides in a feature that accepts user-controlled values — such as search filters, record identifiers, sort parameters, or administrative settings — and concatenates them directly into SQL statements.

Attack Surface: The affected surface is any DreamMaker instance reachable over the network (CVSS vector AV:N — network attack vector). The requirement of low privilege (PR:L) indicates that even restricted accounts — not necessarily administrators — can reach the injectable parameter(s). The attack does not require user interaction (UI:N), and the lack of scope change (S:U) means the compromised resource is confined to the application's own security scope. Because no specific endpoint, parameter name, or code path is disclosed in the CNA Title or NVD Description, the exact injection point cannot be pinpointed; the vulnerability is analyzed at the class level.

Technical Detail Limitations: The NVD Description is sparse. No function names, class names, URL endpoints, file paths, or affected version ranges are provided. Consequently, this report describes the attack mechanism generically rather than specifying exact query patterns or database primitives. The absence of patch evidence and the 0/4 patch confidence score indicate either that Interinfo has not yet acknowledged the flaw or that remediation commits have not been publicly tracked. Enterprise teams should assume all versions currently in production are potentially vulnerable until the vendor issues an advisory.

SQL Injection Mechanics (Class-Level): Structured Query Language injection occurs when an application builds a database query using string concatenation of untrusted input. A specifically crafted input — such as a single quote (') followed by SQL syntax — can break out of the intended data context and execute additional statements (stacked queries) or alter the logic of the existing statement (e.g., using OR '1'='1). The CVSS impact values (C:H/I:H/A:H — High Confidentiality, Integrity, and Availability) confirm that a successful injection can lead to data exfiltration, data corruption, and potentially the destruction of records or entire tables. If the application's database account runs with elevated privileges, the attacker could further leverage database functionality (e.g., xp_cmdshell on Microsoft SQL Server, COPY ... TO PROGRAM on PostgreSQL, or INTO OUTFILE on MySQL) to achieve operating-system-level command execution — though this remains speculative and is not confirmed by the description.

Exploitation Scenarios

No public PoC is available; the attack chain below is inferred from the vulnerability class (CWE-89) and the confirmed requirement of authentication.

Scenario 1 — Data Exfiltration via Authenticated Web Interface

1. Reconnaissance / Target Identification: An attacker identifies Internet-facing DreamMaker login portals via search engine dorks (e.g., title:"DreamMaker", http.html:"DreamMaker") or by scanning for the application's distinctive HTTP response headers and page titles. Service fingerprinting confirms the vendor product.
2. Authentication: The attacker obtains legitimate low-privileged credentials — through credential stuffing, phishing, default credential guessing, or prior exposure — and authenticates to the application. The CVSS requirement PR:L confirms that a restricted account is sufficient.
3. Triggering the Flaw: The attacker navigates to an application feature that accepts search parameters, row filters, or record selectors. Instead of a benign value, the attacker submits a crafted string designed to terminate the current SQL statement and append malicious clauses — e.g., in the id or search HTTP parameter (parameter names invented for illustration; actual names remain undisclosed).
4. Payload Execution / Data Extraction: The injection payload leverages stacked queries to issue UNION SELECT statements (or equivalent) to extract table schemas and sensitive records — user credentials (password hashes), personal data, and business records — from the database. Error-based or blind boolean/time-based inference techniques may be used if output is not directly visible in responses.
5. Post-Exploitation Impact: The attacker reads the entire database contents, achieving full confidentiality compromise. If database permissions allow, the attacker proceeds to modify records (integrity loss) or issue DROP TABLE/DELETE commands (availability loss), matching the CVSS High/High/High impact ratings.

Scenario 2 — Lateral Movement and Persistence

1. Following successful injection, the attacker extracts administrator credential hashes from the database.
2. The attacker cracks or passes those hashes to escalate privileges to full application administration.
3. With administrative access, the attacker leverages DreamMaker's management features to upload web shells or modify application configuration files, achieving persistent remote access to the host.
4. The compromised host serves as a pivot point for further lateral movement into the internal network, potentially reaching other systems that trust the application server.

Scenario 3 — Ransomware-Style Data Destruction (Higher-Risk Variant)

This is speculative and contingent on stacked-query support in the backend DBMS.

1. Recognizing the DBMS type (via error messages or fingerprinting), the attacker uses stacked queries to issue destructive commands — e.g., DROP TABLE users; DROP DATABASE appdb; — rendering the application inoperable.
2. Alternatively, the attacker encrypts or exfiltrates data and demands ransom, exploiting the unpatched state of the application.

Limitations: Because the vulnerable parameter and backend DBMS are undisclosed, precise payloads cannot be specified. The above scenarios are representative of standard SQL injection exploitation and should be treated as the realistic baseline for impact assessment.

Impact Assessment

Business Impact: DreamMaker appears to be a database-backed web application (likely a content management, business management, or similar data-centric tool given the "Maker" naming convention, though this is inference). The authenticated SQL injection provides complete compromise of the application's data store:

• Confidentiality (High): All database contents — including user credentials, personal information, financial records, proprietary business data — are exposed. Data breach notification obligations may apply depending on jurisdiction and data types.
• Integrity (High): Attackers can alter or delete records, tamper with application settings, and inject fraudulent data that poisons downstream business logic and reporting.
• Availability (High): Database destruction (dropping tables) or corruption leads to service outage and potential loss of business continuity.

Affected Systems: All DreamMaker deployments that permit authenticated network access. Given the CVSS AV:N vector, the application is presumably exposed on a network port. Any hosting environment — on-premises, cloud, or hybrid — running DreamMaker is in scope.

Blast Radius: If the application's database account is over-privileged (a common misconfiguration), the blast radius extends beyond the application's own tables to the entire database server and potentially the underlying operating system. The lack of user interaction (UI:N) means exploitation can occur without social engineering. The LOW complexity (AC:L) and the presence of a known, unpatched flaw makes this an attractive target for automated scanning and credential-stuffing campaigns.

Compensating Controls: The authentication requirement (PR:L) is the primary barrier. However, low-privileged accounts are often numerous and weakly protected, reducing this barrier's efficacy. The vulnerability is not currently on CISA's KEV list and has no known in-the-wild exploitation; however, given the 8.8 CVSS score and simple class-level exploitability, organizations should treat this as a time-sensitive risk and not wait for the KEV designation to act.

Detection Guidance

Sigma Rule

title: Potential SQL Injection in Interinfo DreamMaker
id: 02c9f8b2-6e4a-4f10-9d5e-2f8c72a9e1b3
status: experimental
description: Detects suspicious SQL metacharacters and keywords in HTTP requests to DreamMaker endpoints indicating CVE-2026-85540 exploitation attempts.
references:
    - https://nvd.nist.gov/vuln/detail/CVE-2026-85540
author: Valtersit Threat Intelligence
date: 2026/06/01
logsource:
    category: webserver
    product: apache
    definition: 'Requires HTTP access logs or reverse proxy logs that capture full URI and query strings.'
detection:
    selection_sql_meta:
        cs-method:
            - 'GET'
            - 'POST'
            - 'PUT'
        cs-uri-query|contains:
            - "'"
            - 'UNION SELECT'
            - 'UNION ALL SELECT'
            - 'OR 1=1'
            - '; DROP TABLE'
            - '; DELETE FROM'
            - 'WAITFOR DELAY'
            - 'pg_sleep('
            - 'SLEEP('
            - 'BENCHMARK('
            - 'INFORMATION_SCHEMA'
    selection_product_paths:
        cs-uri-query|contains:
            - 'DreamMaker'     # case-insensitive heuristic
            - 'dreammaker'
    condition: selection_sql_meta and selection_product_paths
    falsepositives:
        - Legitimate application features that legitimately pass '=' or 'single quote' characters in query strings (rare).
        - Security scanners performing benign probing.
    level: high
    tags:
        - attack.t1190
        - attack.t1190.001   # Exploit Public-Facing Application
        - cve.2026.85540
        - cwe.89

YARA Rule

rule CVE_2026_85540_SQLi_Payloads
{
    meta:
        author = "Valtersit Threat Intelligence"
        description = "Detects common SQL injection payload strings targeting the Interinfo DreamMaker vulnerability (CVE-2026-85540)."
        date = "2026-06-01"
        cve_id = "CVE-2026-85540"
        cwe_id = "CWE-89"
        severity = "high"
        reference = "https://nvd.nist.gov/vuln/detail/CVE-2026-85540"

    strings:
        $sqli1 = "UNION SELECT" nocase
        $sqli2 = "UNION ALL SELECT" nocase  
        $sqli3 = "OR 1=1" nocase
        $sqli4 = "OR '1'='1'" nocase
        $sqli5 = "OR \"1\"=\"1\"" nocase
        $sqli6 = "DROP TABLE" nocase
        $sqli7 = "DELETE FROM" nocase
        $sqli8 = "WAITFOR DELAY" nocase
        $sqli9 = "pg_sleep" nocase
        $sqli10 = "SLEEP(" nocase
        $sqli11 = "INFORMATION_SCHEMA" nocase
        $sqli12 = "'--"
        $sqli13 = "';--"
        $sqli14 = "/*"           // SQL block comment for inline inject
        $meta_paths1 = "DreamMaker" nocase
        $meta_paths2 = "dreammaker"

    condition:
        (uint16(0) == 0x4D5A or uint32(0) == 0x464C457F) and // PE or ELF — log file or memory capture binary
        $meta_paths1 or $meta_paths2 and 2 of ($sqli*) 
}

Note: This YARA rule is intended for scanning captured HTTP traffic dumps, IDS log files, or memory snapshots for evidence of CVE-2026-85540 exploitation. Adjust the leading file-type check to match your log rotation format (text logs require removing the binary check) — see the alternative rule below for plain-text logs.

rule CVE_2026_85540_SQLi_TextLogs
{
    meta:
        author = "Valtersit Threat Intelligence"
        description = "Detects SQL injection strings in plain-text web access logs targeting DreamMaker (CVE-2026-85540)."
        date = "2026-06-01"
        cve_id = "CVE-2026-85540"
        cwe_id = "CWE-89"
        severity = "high"
        reference = "https://nvd.nist.gov/vuln/detail/CVE-2026-85540"

    strings:
        $sqli1 = "UNION SELECT" nocase
        $sqli2 = "OR 1=1" nocase
        $sqli3 = "DROP TABLE" nocase
        $sqli4 = "WAITFOR DELAY" nocase
        $sqli5 = "pg_sleep" nocase
        $sqli6 = "INFORMATION_SCHEMA" nocase
        $sqli7 = "';--"
        $sqli8 = "SLEEP(" nocase
        $sqli9 = "BENCHMARK(" nocase
        $sqli10 = "DreamMaker" nocase

    condition:
        (filesize > 100KB) and $sqli10 and 2 of ($sqli*)
}

Suricata IDS Rule

alert http any any -> $HOME_NET any (msg:"CVE-2026-85540 - Potential SQL Injection Exploit against Interinfo DreamMaker"; flow:established,to_server; content:"DreamMaker"; http.uri; nocase; pcre:"/(?i)((union(\s+all)?\s+select)|(or\s+1\s*=\s*1)|(\bdrop\s+table\b)|(\bdelete\s+from\b)|(waitfor\s+delay)|(pg_sleep)|(sleep\s*\()|(benCHmark\s*\()|(information_schema)|%27--)/Ui"; classtype:web-application-attack; reference:cve,2026-85540; reference:url,https://nvd.nist.gov/vuln/detail/CVE-2026-85540; sid:20268554; rev:1; metadata:created_at 2026_06_01, updated_at 2026_06_01, cve 2026_85540, mitre_tactic_id T1190, mitre_tactic_name "Exploit Public-Facing Application", target_product "Interinfo DreamMaker";)

Elastic Detection

// Correlation query — Detect SQL injection keywords appearing in HTTP web requests
// targeting DreamMaker application paths.
sequence by source.ip with maxspan=5s
  [ network where event.category == "network" and network.protocol == "http" and
    http.request.body.text != null and
    wildcard(http.request.body.text, "*DreamMaker*") ]
  [ network where event.category == "network" and network.protocol == "http" and
    (
      // SQL meta-character and keyword indicators
      string(http.request.body.text, "*'--*") or
      wildcard(http.request.body.text, "*UNION SELECT*") or
      wildcard(http.request.body.text, "*UNION+SELECT*") or
      wildcard(http.request.body.text, "*OR 1=1*") or
      wildcard(http.request.body.text, "*DROP TABLE*") or
      wildcard(http.request.body.text, "*WAITFOR DELAY*") or
      wildcard(http.request.body.text, "*pg_sleep*") or
      wildcard(http.request.body.text, "*INFORMATION_SCHEMA*") or
      wildcard(http.request.body.text, "*";* --*")
    ) ]

Splunk SPL Query

index=proxy OR index=web OR index=iis OR index=apache
| where like(uri_path, "%DreamMaker%") OR like(uri_query, "%DreamMaker%") OR like(form_data, "%DreamMaker%")
    OR like(uri_path, "%dreammaker%") OR like(uri_query, "%dreammaker%") OR like(form_data, "%dreammaker%")
| search 
    (
        (uri_query LIKE "%'--%") OR 
        (form_data LIKE "%'--%") OR
        (uri_query LIKE "%UNION%SELECT%") OR
        (form_data LIKE "%UNION%SELECT%") OR
        (uri_query LIKE "%OR%1=1%") OR
        (form_data LIKE "%OR%1=1%") OR
        (uri_query LIKE "%DROP%TABLE%") OR
        (form_data LIKE "%DROP%TABLE%") OR
        (uri_query LIKE "%WAITFOR%DELAY%") OR
        (form_data LIKE "%WAITFOR%DELAY%") OR
        (uri_query LIKE "%pg_sleep%") OR
        (form_data LIKE "%pg_sleep%") OR
        (uri_query LIKE "%INFORMATION_SCHEMA%") OR
        (form_data LIKE "%INFORMATION_SCHEMA%")
    )
| eval signature = if(ciphered == "T", "URL_ENCODED", "PLAIN")
| eval full_request = uri_path . "?" . uri_query . " " . form_data
| stats count by src_ip, dest_ip, dest_port, uri_path, uri_query, form_data, signature, _time
| sort - _time
| table _time, src_ip, dest_ip, dest_port, uri_path, uri_query, form_data, signature
| rename src_ip as "Source IP", dest_ip as "Destination IP", dest_port as "Destination Port"
| head 50

Wazuh OSSEC Rule

<group name="web">
  <!--
    CVE-2026-85540 | Interinfo DreamMaker - SQL Injection
    Detection: SQL-injection metacharacters & keywords in HTTP request URI/body targeting DreamMaker
    Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-85540
  -->
  <rule id="202685" level="12">
    <decoded_as>web</decoded_as>
    <field name="url">\.(?i:DreamMaker|dreammaker)</field>
    <regex type="pcre2">(?i)((union(\s+all)?\s+select)|(or\s+1\s*=\s*1)|(\bdrop\s+table\b)|(\bdelete\s+from\b)|(waitfor\s+delay)|(pg_sleep)|(sleep\s*\()|(benCHmark\s*\()|(information_schema)|%27--)</regex>
    <description>CVE-2026-85540 - SQL injection attempt against Interinfo DreamMaker (URL matched).</description>
    <mitre>
      <id>T1190</id>
    </mitre>
    <group>cve-2026-85540, sql_injection, cwe-89, attack.t1190,</group>
    <options>no_full_log</options>
  </rule>

  <rule id="202686" level="12">
    <if_sid>202685</if_sid>
    <regex type="pcre2">(?i)(GET|POST|PUT)</regex>
    <description>CVE-2026-85540 - Confirmed SQL injection payload in HTTP {METHOD} request to DreamMaker.</description>
    <group>cve-2026-85540, sql_injection, cwe-89, attack.t1190,</group>
  </rule>
</group>

Note: Adjust the <decoded_as> field to match your Wazuh decoder (e.g., web for Apache, iis for Microsoft IIS, nginx for Nginx). For JSON logs, use the appropriate <field name=""> attributes.

Mitigation & Patch Guidance

Patch Confidence: 0/4 — UNPATCHED. No patch evidence has been identified from any tracked source. The vendor (Interinfo) has not released a public advisory or a patched version as of the report date. Organizations should NOT rely on a fix materializing imminently and must treat the application as persistently vulnerable.

1) Immediate Mitigations (Compensating Controls)

• Restrict Network Exposure: Move DreamMaker behind a VPN or allow-listed IP ranges only. If the application must be Internet-facing, place it behind a Web Application Firewall (WAF) with SQL injection rule sets enabled (e.g., OWASP CRS). The CVSS AV:N vector makes network exposure the primary attack path.
• Enforce Least Privilege for Database Accounts: Ensure the database account used by DreamMaker has only the minimum privileges required (SELECT/INSERT/UPDATE/DELETE on the application's specific tables). Revoke DDL (DROP, ALTER, CREATE) and administrative privileges. This limits the impact of a successful injection from full database compromise to restricted data access.
• Strengthen Authentication Controls: Enforce multi-factor authentication (MFA) for all user accounts — particularly administrative roles. Since PR:L is sufficient for exploitation, reducing the risk of credential compromise (phishing, stuffing) lowers the likelihood of attack. Rotate credentials that may have been exposed in prior breaches.
• Database Activity Monitoring: Enable database audit logging to detect anomalous queries — e.g., UNION SELECT, DROP TABLE, or other stacked-query patterns — emanating from the DreamMaker application account. Alert on these activity patterns and correlate with the detection rules above.

2) Patch / Upgrade Steps

• Contact Interinfo Support: Open a support ticket formally requesting the status of CVE-2026-85540 and requesting an ETA for a patched release. Reference the NVD Entry and require written acknowledgment.
• Monitor Vendor Channels: Subscribe to Interinfo's security advisory mailing list / RSS and watch for release notes. Until a patched version ships, there is no upgrade path that remediates the flaw.
• Upon Patch Availability: Test the patched version in a staging environment — verifying no regression in application functionality — before deploying to production. Back up the database and application configuration prior to upgrade.

3) Long-Term Hardening

• Input Validation & Parameterized Queries: Ultimately, Interinfo must remediate by converting dynamic SQL string concatenation to prepared statements / parameterized queries (or ORM abstractions) across all database access points. Independent code audits should be conducted to identify all injectable parameters.
• Web Application Firewall Tuning: Even after patching, keep WAF SQLi rulesets enabled as defense-in-depth against future injection flaws and zero-day variations.
• Security Development Lifecycle: For any customizations or plugins built on DreamMaker (if the product supports extensibility), enforce secure coding standards — output encoding, parameterized queries, and input validation (positive allow-lists).
• Vulnerability Management Process: Add DreamMaker to your vulnerability scanning and asset inventory with active monitoring for new CVE entries. Given this CVE's 8.8 score and unpatched status, re-visit compensating controls quarterly and re-check vendor advisories at least monthly.
• Network Segmentation: Isolate the DreamMaker application tier from the rest of the corporate network so that a successful exploitation does not offer immediate pivot lanes into higher-value internal systems.

References

1. NVD Entry — CVE-2026-85540: https://nvd.nist.gov/vuln/detail/CVE-2026-85540
2. MITRE CWE-89 — SQL Injection: https://cwe.mitre.org/data/definitions/89.html
3. FIRST CVSS Calculator (3.1) — verify the CVSS vector: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4. MITRE ATT&CK Technique T1190 — Exploit Public-Facing Application: https://attack.mitre.org/techniques/T1190/
5. CISA Known Exploited Vulnerabilities Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog (Verified: CVE-2026-85540 is NOT listed as of report date — no in-the-wild exploitation evidence tracked.)

Threat Actor Campaigns / Exploit-in-the-Wild: No public exploit code, Nuclei template, or proof-of-concept is available as of this report. No specific threat actor has been publicly attributed to targeting this vulnerability. The absence of in-the-wild evidence does not diminish the risk — unpatched, high-severity SQL injection vulnerabilities in Internet-facing applications are historically prime targets for automated exploitation once disclosure spreads. Organizations are advised to assume the vulnerability will be weaponized and to prioritize compensating controls rather than waiting for confirmed exploitation.