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Back to active CVEs
Critical · CVSS 9.2CVE-2026-127016

MISP Modules Website: Missing Authorization on External Tool Management EndpointsCVE-2026-127016

Answer in brief

CVE-2026-127016 records a Critical severity (CVSS 9.2) vulnerability in MISP Modules Website: Missing Authorization on External Tool Management Endpoints. The current sources do not mark it as known exploited. The current feed maps misp/misp-modules (generic), misp/misp-modules (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 12, 2026Updated Nov 12, 2026Source checked Nov 12, 2026First seen by HOL Nov 12, 2026Material review Nov 12, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.2
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps misp/misp-modules (generic), misp/misp-modules (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
misp/misp-modulesgenericunspecifiedNot reported
misp/misp-modulesgeneric>=0 <=3.1.4Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for misp/misp-modules, misp/misp-modules.
  2. 2Review the reported fix. Source-reported solution: A before_request authorization handler is added to the external_tools blueprint that checks whether the admin user is active (ADMIN_PASSWORD configured) and whether the current user is authenticated before any management endpoint executes. When both conditions indicate an unauthenticated request to a protected endpoint, the handler redirects to the login page (for the add endpoint) or returns a 403 Permission Denied response (for delete, status, and configuration endpoints). This enforces the same optional-admin policy already applied to module configuration, while preserving the existing open-management behavior when no admin password is configured.

Evidence timeline and material changes

  1. Published upstream

    Nov 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 12, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
Upstream source description

The MISP Modules website component exposes external tool management endpoints (add, delete, change status, and change configuration) that did not enforce the optional administrator authentication policy. When ADMIN_PASSWORD was configured in the application environment, the module configuration endpoints correctly required an authenticated administrator session, but the external tools management handlers processed requests from anonymous users without any authorization check. An unauthenticated attacker with network access to the website could add arbitrary external tools, delete existing tools, toggle their active status, and modify their configurations including API keys and ingestion URLs. This inconsistency allowed bypass of the intended access control for the external tools management functionality. The vulnerability is conditional on ADMIN_PASSWORD being set; installations without an admin password intentionally permit open management access by design. The affected component is the external_tools Flask blueprint within the MISP Modules website application.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • SPARQL Injection in MISP Wikidata Lookup Module via Unescaped User InputSame misp/misp-modules package
  • Oxygen MyData for WooCommerce 3.0.0 - 3.0.8 - Unauthenticated Arbitrary Order Completion via EveryPay Status CallbackAlso CWE-862
  • Privilege EscalationAlso CWE-862
  • Awx: webhook credential assignment omits use_role check, exposing another user's tokenAlso CWE-862

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-862
Source
CVE List V5
Source checked
Nov 12, 2026
References
1 linked source
Open source record