CVE-2026-89113

Executive Summary

CVE-2026-89113 is an SQL injection (CWE-89) vulnerability in SAP Commerce Cloud in which the platform fails to sufficiently validate certain user-supplied input before incorporating it into a database query. Any authenticated user of an affected deployment can send specially crafted requests to the vulnerable functionality to inject arbitrary SQL commands. Because the flaw requires only low privileges and is remotely reachable over the network, successful exploitation permits reading, modifying, or deleting sensitive data, producing a high impact across confidentiality, integrity, and availability (CVSS 3.1 base score 8.8). No public proof-of-concept, exploit code, or vendor patch is currently available, so defenders must rely on compensating controls and behavioral detection until a fix is published.

Technical Analysis

The vulnerability is a classic SQL injection (CWE-89) arising from insufficient validation of user-supplied input prior to its use in a database query. Per the NVD description, "SAP Commerce Cloud does not sufficiently validate certain user-supplied input before it is incorporated into a database query." The root cause is therefore an input-handling/validation failure on the application side: untrusted input reaches a query-construction routine without adequate sanitization, parameterization, or allow-listing, allowing the attacker to alter the intended SQL statement's structure.

Attack surface characteristics:

• Network reachable: The CVSS vector AV:N confirms the vulnerable functionality is accessible over the network, consistent with SAP Commerce Cloud being an internet-facing commerce/e-commerce application.
• Authentication required: PR:L indicates the attacker must possess valid low-privileged credentials. This is significant — exploitation does not require anonymous access, but it also means the barrier to entry is low for any customer account, partner account, or compromised user session.
• No user interaction: UI:N means the attack is fully automated and requires no victim action.
• Scope unchanged: S:U indicates the impact is confined to the vulnerable application's security authority, i.e., the database reachable by that application component.

The exact vulnerable endpoint, parameter, request structure, and underlying query are not disclosed in the available intelligence. The NVD description deliberately omits the specific functionality, parameter names, and code paths. No function names, class names, API paths, or parameter identifiers can be stated without fabrication. What can be stated with confidence is the vulnerability class and its mechanism: an injection flaw in which attacker-controlled input is concatenated or otherwise incorporated into a SQL statement, permitting arbitrary SQL command execution against the application database. The underlying weakness type — improper neutralization of special elements used in an SQL command — is the defining characteristic of CWE-89.

Because no affected version range has been published, and no advisory from SAP is referenced in the provided data, the precise set of vulnerable releases is currently indeterminate. Organizations running SAP Commerce Cloud should treat all deployments as potentially affected until vendor confirmation narrows the scope.

Exploitation Scenarios

This section describes the attack chain at the vulnerability-class level. No public proof-of-concept exists, so the following sequence is inferred strictly from the CWE-89 vulnerability class and the NVD description; specific implementation details are deliberately not invented.

1. Reconnaissance / target identification. The attacker identifies an internet-facing SAP Commerce Cloud instance (e.g., via certificate or page-content fingerprinting). Because exploitation requires authentication, the attacker first obtains a valid low-privileged account — through legitimate registration, a compromised customer credential, a leaked partner account, or session theft. The attacker then enumerates application functionality that accepts user-supplied input and feeds it into backend database operations (search, filter, lookup, or account-management style functions are the typical SQLi-reachable surfaces). Note that the specific vulnerable functionality is not disclosed.

2. Triggering the flaw. The attacker crafts a request containing input designed to break out of the intended query context. Because the application "does not sufficiently validate certain user-supplied input," the malicious input is incorporated into the database query without neutralization, altering the query's logic or appending additional SQL commands. The attacker iteratively refines the payload based on application responses (error messages, timing differences, or boolean response changes), a standard SQLi exploitation methodology.

3. Payload / execution method. At the vulnerability-class level, the attacker injects arbitrary SQL commands that execute with the privileges of the application's database connection. Depending on response behavior, this may be performed via in-band (error/union-based), blind boolean, or time-based inference. No specific injection string, parameter, or endpoint can be provided because none is disclosed in the available intelligence.

4. Post-exploitation impact. Successful injection allows the attacker to read, modify, or delete sensitive data from the application's database — matching the NVD statement that exploitation "could allow the user to read, modify or delete sensitive data." Given the high confidentiality, integrity, and availability subscores, the attacker can exfiltrate customer records, order data, credentials, or other stored business data; corrupt or alter records; and potentially destroy data, causing denial of service through data loss.

Impact Assessment

The CVSS 3.1 base score is 8.8 (High) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H:

• Confidentiality: High. Arbitrary SQL execution permits exfiltration of any data the application database connection can read — typically the full application dataset, including potentially sensitive personal and transactional data.
• Integrity: High. The attacker can modify database contents, corrupting business records, orders, prices, or user data.
• Availability: High. The attacker can delete or destroy data, degrading or disabling the application.
• Exploitability: Network-reachable (AV:N), low attack complexity (AC:L), low privileges required (PR:L), no user interaction (UI:N) — a favorable profile for a motivated attacker who holds any valid account.

Business impact. SAP Commerce Cloud typically underpins revenue-generating e-commerce operations and stores customer PII, payment-adjacent data, and order history. A successful attack could result in large-scale data breach and regulatory exposure (e.g., GDPR/PII notification obligations), transactional fraud, business disruption, and reputational damage. Blast radius is bounded by the database privileges of the vulnerable application component (S:U), but in practice that is frequently the primary application datastore. Because no version range is published, the potentially affected population cannot be precisely scoped; any exposure of the relevant functionality broadens the blast radius.

Detection Guidance

SQL injection detection should combine application-layer correlation (authenticated requests containing SQL metacharacters targeting the same session/endpoint) with network- and host-level signatures. Because no specific endpoint is known, detections target the vulnerability class broadly and should be tuned to reduce false positives from legitimate query-like input.

Sigma Rule

title: Potential SQL Injection Attempt Against SAP Commerce Cloud
id: 9f2c7b41-3d6a-4e21-9c88-5b1a2f0d7e63
status: experimental
description: Detects requests containing common SQL injection metacharacters and
  keywords targeting web application endpoints, indicative of exploitation attempts
  against SQL injection vulnerabilities such as CVE-2026-89113 (CWE-89).
references:
  - https://nvd.nist.gov/vuln/detail/CVE-2026-89113
author: Threat Intelligence
date: 2026-01-01
logsource:
  category: webserver
  product: apache
detection:
  selection_sqli_keywords:
    cs-uri-query|contains:
      - "UNION SELECT"
      - "' OR '1'='1"
      - "OR 1=1"
      - "';--"
      - "WAITFOR DELAY"
      - "SLEEP("
      - "BENCHMARK("
      - "information_schema"
  selection_sqli_meta:
    cs-uri-query|contains:
      - "%27"
      - "%22"
      - "--"
  condition: selection_sqli_keywords or (selection_sqli_meta and 1 of selection_sqli_keywords)
falsepositives:
  - Legitimate search terms containing SQL-like keywords
  - Security scanners and authorized penetration testing
level: high
tags:
  - attack.t1190
  - cwe.89

Note: CS-URI fields reflect generic web-server log data; adjust logsource and field names to the specific web server / WAF / reverse proxy in front of the SAP Commerce Cloud deployment. The rule detects the vulnerability class and should be tuned against benign input.

YARA Rule

rule CVE_2026_89113_SQLi_Attempt
{
    meta:
        description = "Detects SQL injection payload patterns associated with SQLi exploitation attempts (CWE-89) potentially targeting SAP Commerce Cloud (CVE-2026-89113)"
        author = "Threat Intelligence"
        date = "2026-01-01"
        reference = "https://nvd.nist.gov/vuln/detail/CVE-2026-89113"
        tlp = "WHITE"

    strings:
        $sqli1 = "UNION SELECT" nocase
        $sqli2 = "UNION ALL SELECT" nocase
        $sqli3 = "OR 1=1" nocase
        $sqli4 = "' OR '" nocase
        $sqli5 = "\"; DROP TABLE" nocase
        $sqli6 = "'; DROP TABLE" nocase
        $sqli7 = "WAITFOR DELAY" nocase
        $sqli8 = "SLEEP(" nocase
        $sqli9 = "BENCHMARK(" nocase
        $sqli10 = "information_schema" nocase
        $sqli11 = "xp_cmdshell" nocase
        $sqli12 = "0x" nocase

    condition:
        any 2 of ($sqli*) or
        (any 1 of ($sqli1, $sqli2, $sqli5, $sqli6, $sqli11) and filesize < 10KB)
}

Note: This is a generic SQL-injection payload signature intended for scanning request bodies, WAF/HTTP capture files, or forensic artifacts. SAP Commerce Cloud is Java-based; the rule targets the injection payload class, not a specific file format.

Suricata IDS Rule

alert http any any -> any any (msg:"CVE-2026-89113 Possible SQL Injection Attempt Against SAP Commerce Cloud (CWE-89)"; flow:established,to_server; http.method; content:"GET"|"POST"; http.uri.raw; pcre:"/(%27)|(')|(%22)|(\")/i"; http.uri.raw; content:"UNION"; nocase; http.uri.raw; content:"SELECT"; nocase; distance:0; http.uri.raw; content:"OR"; nocase; http.uri.raw; content:"1=1"; nocase; http.uri.raw; content:"SLEEP("; nocase; http.uri.raw; content:"WAITFOR"; nocase; http.uri.raw; content:"information_schema"; nocase; threshold:type limit, track by_src, count 5, seconds 60; classtype:web-application-attack; sid:202689113; rev:1; metadata:created_at 2026_01_01, cve CVE-2026-89113, cwe CWE-89;

Note: Because the exact vulnerable endpoint is undisclosed, this rule focuses on the URI/query layer where SQLi payloads typically appear. It may require tuning to reduce false positives and should be paired with request-body inspection for POST-based injections.

Elastic Detection

sequence by source.ip, user.name with maxspan=5m
  [ network where network.protocol == "http" and
      (url.query : ("*UNION*SELECT*", "*OR*1=1*", "*' OR *", "*information_schema*", "*SLEEP(*", "*WAITFOR*")) ]
  [ network where network.protocol == "http" and
      (url.query : ("*UNION*SELECT*", "*OR*1=1*", "*' OR *", "*information_schema*", "*SLEEP(*", "*WAITFOR*")) ]

Alternative single-event rule for environments without network telemetry sequencing:

network where network.protocol == "http" and
  url.query : ("*UNION SELECT*", "*OR 1=1*", "*' OR '", "*SLEEP(*", "*WAITFOR DELAY*", "*information_schema*")

Note: Fields assume ECS-compatible network/http data. Correlating by authenticated user.name supports the authenticated nature of this vulnerability (PR:L).

Splunk SPL Query

index=web sourcetype=access_combined
| eval uri=coalesce(uri, c_uri, url)
| where match(uri, "(?i)(union\\s+select|or\\s+1\\s*=\\s*1|'\\s*or\\s*'|sleep\\(|waitfor\\s+delay|benchmark\\(|information_schema|xp_cmdshell|;\\s*(drop|delete|update|insert)\\s)")
| stats count min(_time) as first_seen max(_time) as last_seen
        values(uri) as sample_uris by src_ip, user
| where count > 3
| convert ctime(first_seen) ctime(last_seen)
| sort - count

Note: Adjust index, sourcetype, and field names (uri, src_ip, user) to match the local Splunk data model. The threshold and grouping are intended to surface repeated injection attempts from the same source.

Wazuh OSSEC Rule

<group name="web,sql_injection,">
  <rule id="100891" level="12">
    <if_sid>31100</if_sid>
    <regex type="pcre2">(?i)(union\s+select|or\s+1\s*=\s*1|'\s*or\s*'|sleep\(|waitfor\s+delay|benchmark\(|information_schema|xp_cmdshell)</regex>
    <description>CVE-2026-89113: Possible SQL injection attempt against SAP Commerce Cloud (CWE-89)</description>
    <mitre>
      <id>T1190</id>
    </mitre>
    <group>sql_injection,web_attack,</group>
  </rule>
</group>

Note: if_sid 31100 corresponds to the standard Wazuh web-access-log parent rule; adjust to match the deployed web-log decoder (Apache/Nginx/IIS). The rule detects the vulnerability class and may require tuning against legitimate SQL-like search input.

Mitigation & Patch Guidance

Patch confidence: 0/4 (UNPATCHED). No patch evidence is available from any tracked source, and no vendor fix or affected-version range has been published in the provided intelligence. The following guidance is therefore compensating-control-oriented.

1) Immediate mitigations (apply now, no vendor fix required):

• Treat the affected functionality as untrusted. Enforce a Web Application Firewall (WAF) with SQL-injection rule sets in blocking mode in front of any internet-facing SAP Commerce Cloud deployment, and monitor for bypass attempts.
• Enforce least privilege at the database layer: ensure the application's database connection account holds only the minimum privileges required, with no DDL/cross-schema access, to constrain the impact of successful injection.
• Restrict and audit authenticated accounts; revoke dormant or unnecessary low-privilege accounts, and monitor for anomalous account activity, since exploitation requires (PR:L) valid credentials.
• Segment the commerce application from backend databases so that network controls limit lateral movement post-exploitation.
• Rate-limit and monitor requests to input-processing endpoints for injection-like patterns (see Detection Guidance).

2) Patch / upgrade steps:

• Monitor the SAP support portal and SAP Security Notes for an official advisory, fixed version, and SAP Note number for CVE-2026-89113.
• Once a vendor fix is released, inventory all SAP Commerce Cloud instances, test in a staging environment, and apply the patch during a controlled maintenance window.
• Verify remediation with post-patch application security testing (DAST/SAST) focused on the previously vulnerable functionality.

3) Long-term hardening:

• Require parameterized/prepared statements and strict input validation across all custom and extension code in SAP Commerce Cloud, eliminating string-concatenated query construction.
• Integrate SAST and DAST into the CI/CD pipeline, with SQL-injection test cases as a mandatory gate.
• Adopt a vulnerability-management program that tracks SAP Security Notes and CVE feeds with defined SLAs for critical SQLi findings.
• Conduct regular penetration testing of authenticated application functionality, since this flaw is reachable only with a valid account.

References

1. NVD — CVE-2026-89113: https://nvd.nist.gov/vuln/detail/CVE-2026-89113
2. CWE-89 — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'): https://cwe.mitre.org/data/definitions/89.html
3. MITRE ATT&CK — T1190 Exploit Public-Facing Application: https://attack.mitre.org/techniques/T1190/
4. SAP Product Security / Security Notes portal (monitor for vendor advisory and fixed version): https://support.sap.com/en/my-support/knowledge-base/security-notes-news.html
5. CISA Known Exploited Vulnerabilities Catalog (CVE-2026-89113 not currently listed — verify status): https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Threat actor / exploit-in-the-wild evidence: None available. No public proof-of-concept, exploit code, or Nuclei template was identified for CVE-2026-89113, and the CVE is not listed in CISA KEV. No named threat actor campaigns are associated with this vulnerability in the available intelligence.