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VulnerabilityPublished

CVE-2026-126991: misp-modules · Code Injection

Affects misp-modulesSource CVE Database V5

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Not known to be exploited · CVSS 5.3 Medium.

Data as of 12 Nov 2026, 07:50 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (CIRCL)CVSS 4.05.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/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, ≤ 3.1.4
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 requires authenticated access and use of the specific module, restricting access to trusted users and disabling the Wikidata Lookup expansion module can mitigate risk. Monitor vendor advisories for any forthcoming patches or updates addressing this issue.

Description

CVE-2026-126991 is a code injection vulnerability in the Wikidata Lookup expansion module (wiki.py) of MISP misp-modules. An authenticated user can inject SPARQL syntax into queries sent to the Wikidata SPARQL endpoint, potentially altering query logic or causing error conditions that leak internal information. The vulnerability requires authenticated access and use of the wiki expansion module. It does not directly compromise the MISP server or stored data.

References

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