CVE-2026-39934

MEDIUM

Growth Experiments ReassignMenteesJob runs as an infinite loop

Title source: cna

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.

References (2)

https://phabricator.wikimedia.org/T418222

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

Scores

CVSS v4 6.9

EPSS 0.0006

EPSS Percentile 17.2%

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-835

Status published

Products (7)

The Wikimedia Foundation/Mediawiki - GrowthExperiments Extension < 1.43

The Wikimedia Foundation/Mediawiki - GrowthExperiments Extension 1.43

The Wikimedia Foundation/Mediawiki - GrowthExperiments Extension 1.43.7

The Wikimedia Foundation/Mediawiki - GrowthExperiments Extension 1.44

The Wikimedia Foundation/Mediawiki - GrowthExperiments Extension 1.44.4

The Wikimedia Foundation/Mediawiki - GrowthExperiments Extension 1.45

The Wikimedia Foundation/Mediawiki - GrowthExperiments Extension 1.45.2

Published Apr 07, 2026

Tracked Since Apr 08, 2026