CVE-2026-76710

Executive Summary

A vulnerability (CWE-200, Exposure of Sensitive Information) exists in the Aruba Networks Analytics and Location Engine (ALE) management interface that allows an unauthenticated remote attacker to disclose sensitive information by sending specially crafted requests to certain internal endpoints. The flaw requires no authentication, no user interaction, and is network-reachable, yielding a CVSS 3.1 base score of 7.5 with high confidentiality impact. Any organization exposing the ALE management interface to untrusted networks is affected, and successful exploitation leaks site hierarchy, infrastructure details, and client device information — data that is directly useful for lateral reconnaissance, physical-security targeting, and follow-on intrusion.

Technical Analysis

The vulnerability class is CWE-200, a broad category covering the unintended exposure of information to a party that is not explicitly authorized to receive it. In this instance, the exposure occurs in the management interface of the Aruba Analytics and Location Engine, which processes and distributes Wi-Fi location telemetry. The impacted surface is explicitly identified in the NVD description as "certain internal endpoints" reachable through the management interface.

Per the NVD description, the access-control weakness is on the server side: an unauthenticated remote attacker can reach these internal endpoints and obtain responses containing sensitive data. The defect is that these endpoints fail to enforce an authentication or authorization requirement before returning data — characteristic of missing authorization checks on API routes (sometimes categorized as a broken access control / improper access control condition that manifests as information disclosure).

The specific affected URL paths, parameter names, and internal handler names are not disclosed in the NVD description or CNA title. No public PoC, Nuclei template, or exploit code has been published. Accordingly, this report does not assert particular endpoint strings, query parameters, or code symbols; none are available from the authoritative data provided.

Three classes of data are explicitly named as exposed:

• Site hierarchy — the logical mapping of physical locations/sites managed by the deployment, which reveals organizational and physical footprint.
• Infrastructure details — deployment topology and configuration characteristics of the ALE environment, useful for mapping parent/child systems.
• Client device information — telemetry about connected client devices, the core function of a location analytics engine.

Because ALE sits centrally in an Aruba wireless deployment, the interface is typically reachable by network administrators and — if improperly segmented or directly internet-exposed — by a wider attacker population. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms the low bar to attempt exploitation: no privileges, no interaction, network path only. Scope is Unchanged and there is no Integrity or Availability impact — the sole consequence is disclosure (C:H).

The EPSS score is 0.00538, placing the CVE at roughly the 43rd percentile, indicating a low near-term exploitation probability in the aggregate. It is NOT in CISA KEV, and no exploitation-in-the-wild evidence is present in the supplied data.

Exploitation Scenarios

No public proof-of-concept is available; the attack chain below is inferred strictly from the vulnerability class and the NVD description. No specific function names, endpoints, or parameters are asserted because none are provided by the source data.

1. Reconnaissance / target identification An attacker first locates exposed ALE management interfaces. Because the interface is network-accessible (AV:N), simple internet or internal scanning for the ALE web console/product banner identifies candidate targets. Shodan/FOFA-style searches for the product or its page titles, or enumerating TLS certificates and HTTP titles, surface hosts. Internal attackers on a flat or poorly segmented network can reach the same interface without internet exposure.

2. Triggering the flaw (vulnerability-class level) The attacker sends specially crafted requests to certain internal endpoints of the management interface. The defining characteristic, per the description, is that these requests return sensitive data without any authentication step. At the class level, this is an unauthenticated information-disclosure / missing-authorization condition: the endpoint responds to an unauthenticated caller where it should have required a session or authorization check. The attacker need not possess valid credentials.

3. Payload / execution method (class level) There is no code-execution payload. The "payload" is the crafted HTTP request itself. An attacker enumerates reachable internal endpoints by varying request structure (for example, probing path structures, alternate HTTP methods, or object identifiers — generic technique classes, not confirmed specifics) and parses responses for the exposed data. Since the description does not name parameters or paths, no adversarial syntax is prescribed here.

4. Post-exploitation impact Responses disclose (a) site hierarchy, (b) infrastructure details, and (c) client device information. The attacker uses this passively — harvesting data — rather than modifying the system (no Integrity/Availability impact). The disclosed data enables:

• Mapping the victim's physical and network estate from site hierarchy and infrastructure detail;
• Correlating client devices to locations, which supports surveillance, targeting, or identification of high-value users/devices;
• Building an internal map that facilitates later, higher-impact intrusion (e.g., pivoting from ALE to adjacent Aruba management components such as controllers or AirWave).

Because the interface is unauthenticated-reachable, the attacker can repeat enumeration at will as long as the exposure persists.

Impact Assessment

Confidentiality impact is High (C:H): the data exposed — site hierarchy, infrastructure details, client device information — is sensitive operational and potentially privacy-relevant. There is no integrity or availability impact (I:N/A:N), scope is unchanged, and exploitation is trivial to attempt from the network (AC:L, PR:N, UI:N), producing the 7.5 base score.

Business impact centers on information leakage rather than system compromise:

• Physical-security and privacy exposure: client-device location data may implicate individuals, campuses, or facilities; site hierarchy exposes the physical footprint of the organization.
• Reconnaissance enabler: infrastructure details accelerate an attacker's mapping phase and inform targeted follow-on attacks against adjacent wireless/management infrastructure.
• Compliance/regulatory: location and device data may be governed by privacy regimes; unauthenticated disclosure can trigger breach-notification and regulatory obligations.
• Trust/brand: an easily probed unauthenticated endpoint in a named enterprise product can invite broader scanning.

Blast radius: Any deployment running the affected ALE management interface that is reachable by untrusted networks. Because the flaw is unauthenticated and network-only, the effective blast radius for the disclosure is every reachable interface, not just authenticated administrators. There is no lateral movement built into the flaw itself — the movement risk comes from how the leaked data is used downstream.

Detection Guidance

Sigma Rule

Detects unauthenticated HTTP requests to the ALE management interface targeting internal endpoints, via web access logs. Tune path/UA fields to locally observed values; no exact endpoint strings are asserted.

title: Unauthenticated Access Attempts to Aruba ALE Management Interface Internal Endpoints
id: 7b7d3f9a-2c1e-4a8b-9f2d-76710cveale
status: experimental
description: Detects HTTP requests to the Aruba Analytics and Location Engine management interface that lack an authenticated session, consistent with CVE-2026-76710 information disclosure probing.
references:
  - https://nvd.nist.gov/vuln/detail/CVE-2026-76710
author: valtersit.com
date: 2026/01/01
tags:
  - attack.t1190
  - attack.t1592
logsource:
  category: webserver
  product: aruba
  service: ale
detection:
  selection_ua:
    cs-user-agent|contains:
      - 'curl'
      - 'python-requests'
      - 'Wget'
      - 'nmap'
      - 'Go-http-client'
  selection_sc_200:
    sc-status: 200
  selection_no_session:
    # requests without a valid session cookie/token to the mgmt interface
    cs-cookie|contains: ''
  filter_legit:
    cs-username|exists: true
  condition: selection_ua and selection_sc_200 and selection_no_session and not filter_legit
fields:
  - c-ip
  - cs-method
  - cs-uri-stem
  - sc-status
  - cs-user-agent
falsepositives:
  - Authorized vulnerability scanners during sanctioned tests
  - Health-check or monitoring probes lacking cookies
level: medium

YARA Rule

Targets suspicious tooling that enumerates the ALE management interface; broad, defensively scoped.

rule CVE_2026_76710_ALE_Unauth_InfoDisc_Probe
{
    meta:
        description = "Detects scripts/tools probing Aruba ALE management interface for CVE-2026-76710 information disclosure"
        author = "valtersit.com"
        reference = "https://nvd.nist.gov/vuln/detail/CVE-2026-76710"
        date = "2026-01-01"
        severity = "medium"

    strings:
        $ale1 = "Analytics and Location Engine" ascii nocase
        $ale2 = "ALE" ascii wide
        $mgmt = "management interface" ascii nocase
        $s1 = "site hierarchy" ascii nocase
        $s2 = "client device" ascii nocase
        $req = "GET /" ascii
        $req2 = "POST /" ascii
        $ugh = "curl" ascii nocase
        $ua2 = "python-requests" ascii
        $ua3 = "Go-http-client" ascii

    condition:
        uint16(0) == 0x5A4D or uint32(0) == 0x464C457F or
        (($ale1 or $ale2) and ($mgmt or $s1 or $s2) and ($req or $req2)) or
        (($ugh or $ua2 or $ua3) and ($ale1 or $mgmt))
}

Suricata IDS Rule

Detects HTTP requests to the ALE management interface that omit authentication, aligned with the CVE.

alert http any any -> any any (msg:"CVE-2026-76710 Aruba ALE Management Interface Unauthenticated Information Disclosure Attempt"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/"; http.header; content:"Host"; http.header; content:!"Cookie"; http.header; content:!"Authorization"; http.user_agent; content:"curl"; nocase; sid:7671001; rev:1; reference:cve,2026-76710; metadata:service http; classtype:attempted-recon; priority:2;)

alert http any any -> any any (msg:"CVE-2026-76710 Aruba ALE Internal Endpoint Probing (python/Go UA, no auth)"; flow:established,to_server; http.user_agent; content:"python-requests"; nocase; http.header; content:!"Authorization"; http.header; content:!"Cookie"; sid:7671002; rev:1; reference:cve,2026-76710; metadata:service http; classtype:attempted-recon; priority:2;)

Elastic Detection

EQL correlating unauthenticated requests with successful 200 responses from the ALE web tier.

sequence by source.ip with maxspan=1m
  [ network where network.protocol == "http"
      and http.request.method in ("GET", "POST")
      and not http.request.headers.authorization : *
      and not http.request.headers.cookie : *
      and url.path : * ]
  [ network where network.protocol == "http"
      and http.response.status_code == 200
      and not http.request.headers.authorization : *
      and not http.request.headers.cookie : * ]

Splunk SPL Query

Searches web access logs for unauthenticated hits on the ALE management interface.

index=web sourcetype=access_combined
(uri_path="/" OR uri_path="*ale*" OR uri_path="*manage*" OR uri_path="*internal*")
(NOT cookie="*" OR cookie="-" OR cookie="")
(NOT authorization="*" OR authorization="-")
status=200
| stats count min(_time) as first_seen max(_time) as last_seen
        values(uri_path) as paths values(useragent) as user_agents
        by src_ip, http_host
| where count > 5
| convert ctime(first_seen) ctime(last_seen)
| sort - count

Wazuh OSSEC Rule

Detects high-volume unauthenticated ALE interface probing in web logs.

<group name="aruba_ale,cve-2026-76710,web,">
  <rule id="767101" level="8">
    <if_sid>31100</if_sid>
    <match>Analytics and Location Engine</match>
    <field name="id">^GET|^POST</field>
    <description>CVE-2026-76710: Request to Aruba ALE management interface internal endpoint</description>
    <group>information_disclosure,</group>
  </rule>

  <rule id="767102" level="10" frequency="10" timeframe="60">
    <if_matched_sid>767101</if_matched_sid>
    <same_source_ip />
    <description>CVE-2026-76710: Sustained unauthenticated probing of Aruba ALE management interface from same source</description>
    <group>information_disclosure,recon,</group>
  </rule>

  <rule id="767103" level="6">
    <if_sid>31100</if_sid>
    <match>ale</match>
    <field name="id">^GET|^POST</field>
    <regex field="url">(?i)(internal|manage|site|client|device)</regex>
    <description>CVE-2026-76710: Possible ALE internal endpoint enumeration</description>
    <group>information_disclosure,</group>
  </rule>
</group>

Mitigation & Patch Guidance

Patch confidence: 0/4 (UNPATCHED — no patch evidence from any tracked source). No vendor fix, affected-version mapping, or official workaround has been published per the data provided. Because no version range is confirmed, every deployment of the ALE management interface should be treated as potentially affected until the vendor publishes an advisory.

1. Immediate mitigations

• Remove direct internet exposure of the ALE management interface. Verify it is not reachable from untrusted networks; the CVE is network-reachable (AV:N), so exposure is the primary risk multiplier.
• Restrict access to a hardened management VLAN, and enforce ACLs and firewall rules so only authorized administrative hosts can reach the interface.
• Require and verify authentication at the network edge in front of the interface (reverse proxy / SSO / zero-trust gateway that authenticates before forwarding), as a compensating control for the missing endpoint authentication.
• Monitor and log all access to the ALE interface; alert on unauthenticated 200 responses (see Detection Guidance) and on scanning from unexpected sources.
• If telemetry data is not required in the short term, consider temporarily disabling or isolating the interface until a vendor fix is available.

2. Patch / upgrade steps

• No patch exists as of this report. Establish vendor monitoring: register for Aruba Networks security advisories and watch the NVD entry (CVE-2026-76710) for a fixed-version reference.
• When Aruba publishes a fix or fixed version, schedule immediate upgrade of ALE and any dependent components; validate the interface is no longer reachable unauthenticated after upgrade.
• Re-check the affected-version range once published and inventory all matching deployments.

3. Long-term hardening

• Adopt a default-deny posture for management planes: no management interface should ever be reachable from untrusted networks.
• Enforce authentication/authorization at every internal API endpoint as part of secure design review; require authorization tests in CI for internal endpoints.
• Segment wireless management/infrastructure (ALE, controllers, AirWave) from general networks and the internet.
• Maintain continuous attack-surface monitoring (Shodan/Censys/self-scan) for accidental exposures of management interfaces.
• Apply least-privilege and log/alert on anomalous data retrieval from telemetry systems, which may indicate data-harvesting consistent with this vulnerability class.

References

• NVD — CVE-2026-76710: https://nvd.nist.gov/vuln/detail/CVE-2026-76710
• CWE-200: Exposure of Sensitive Information to an Unauthorized Actor — https://cwe.mitre.org/data/definitions/200.html
• MITRE ATT&CK T1190 — Exploit Public-Facing Application: https://attack.mitre.org/techniques/T1190/
• MITRE ATT&CK T1592 — Gather Victim Host Information: https://attack.mitre.org/techniques/T1592/
• Aruba Networks Security Advisories (monitor for vendor fix): https://www.arubanetworks.com/support-services/security-bulletins/
• Threat actor / exploitation status: No public PoC, no Nuclei template, no exploit code, and no exploit-in-the-wild evidence are associated with CVE-2026-76710 in the provided data. The CVE is NOT listed in CISA KEV. EPSS 0.00538 (~43rd percentile). No known threat actor campaigns are tied to this CVE.