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CVE-2026-127016VulnerabilityPublished

The MISP Modules website component exposes external tool management endpoints (add, delete, change status, and change

Source GCVE Database

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Authoritative record:CVE-2026-127016· Critical 9.2

Not known to be exploited · CVSS 9.2 Critical.

Data as of 12 Nov 2026, 13:35 UTC

CVSS 4.0 base score
9.2Critical
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (CIRCL)CVSS 4.09.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:H/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 12 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
mispmisp-modulesAffected
  • <=3.1.4
Fixed in–
GitHubmisp-modulespkg:github/misp-modulesOther threatsAffected
  • <=3.1.4
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Since the vulnerability depends on the ADMIN_PASSWORD setting, administrators should verify that the ADMIN_PASSWORD is properly configured and that the external tools management endpoints enforce authentication. Until a vendor fix is available, restricting network access to the MISP Modules website and monitoring for unauthorized changes to external tools configurations is recommended.

Description

The MISP Modules website component has a vulnerability in its external tools management endpoints that allows unauthenticated attackers to add, delete, modify, and toggle external tools without authorization. This occurs because the external tools handlers do not enforce the administrator authentication policy even when ADMIN_PASSWORD is set. The flaw affects the external_tools Flask blueprint and enables bypass of intended access controls. Installations without an admin password are designed to allow open management access, so the vulnerability is conditional on ADMIN_PASSWORD being configured.

References

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