CVE-2026-39934mediumCWE-835

CVE-2026-39934: medium-severity vulnerability in The Wikimedia Foundation Mediawiki…

Growth Experiments ReassignMenteesJob runs as an infinite loop

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Affected products
The Wikimedia Foundation · Mediawiki - GrowthExperiments Extension
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