Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2026-39934
PUBLISHED
More InfoOfficial Page
Assigner-wikimedia-foundation
Assigner Org ID-c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
View Known Exploited Vulnerability (KEV) details
Published At-07 Apr, 2026 | 22:00
Updated At-08 Apr, 2026 | 22:04
Rejected At-
▼CVE Numbering Authority (CNA)
Growth Experiments ReassignMenteesJob runs as an infinite loop

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.

Affected Products
Vendor
Wikimedia FoundationThe Wikimedia Foundation
Product
Mediawiki - GrowthExperiments Extension
Default Status
affected
Versions
Affected
  • 1.45
  • 1.44
  • 1.43
  • From 0 before 1.43 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-835CWE-835 Loop with unreachable exit condition ('infinite loop')
Type: CWE
CWE ID: CWE-835
Description: CWE-835 Loop with unreachable exit condition ('infinite loop')
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
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
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-29CAPEC-29 Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
CAPEC ID: CAPEC-29
Description: CAPEC-29 Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Urbanecm_WMF
finder
Michael
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://phabricator.wikimedia.org/T418222
N/A
https://gerrit.wikimedia.org/r/c/1243874
N/A
Hyperlink: https://phabricator.wikimedia.org/T418222
Resource: N/A
Hyperlink: https://gerrit.wikimedia.org/r/c/1243874
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found