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VulnerabilityPublished

CVE-2026-127016: misp-modules · Missing Authorization

Affects misp-modulesSource CVE Database V5

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Not known to be exploited · CVSS 9.2 Critical.

Data as of 12 Nov 2026, 09:49 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 11 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
mispmisp-modulesAffected
  • =unspecified
Fixed in–

CPE configurations (1)

  • cpe:2.3:a:misp:misp_modules:*:*:*:*:*:*:*:*

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 is conditional on ADMIN_PASSWORD being set, administrators should verify the configuration and restrict network access to the MISP Modules website. Monitor vendor advisories for official fixes or updates.

Description

CVE-2026-127016 is a critical missing authorization vulnerability in the MISP Modules website component. Specifically, the external tools management endpoints (add, delete, change status, and change configuration) do not enforce administrator authentication when ADMIN_PASSWORD is set, allowing unauthenticated attackers with network access to manipulate external tools arbitrarily. This includes adding new tools, deleting existing ones, toggling their active status, and modifying configurations such as API keys and ingestion URLs. The vulnerability affects the external_tools Flask blueprint within the MISP Modules website application. Installations without an admin password are not vulnerable as open management access is by design.

References

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