CVE-2026-39934

Vulnerability Description

Loop with unreachable exit condition ('infinite loop') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This issue was remediated only on the `master` branch.

Related Weaknesses (CWE)

CWE-835

References

https://gerrit.wikimedia.org/r/c/1243874
https://phabricator.wikimedia.org/T418222

FAQ

What is CVE-2026-39934?

CVE-2026-39934 is a documented vulnerability. Loop with unreachable exit condition ('infinite loop') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race C...

How severe is CVE-2026-39934?

CVSS scoring is not yet available for CVE-2026-39934. Check NVD for updates.

Is there a patch for CVE-2026-39934?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.