CVE-2025-62669
MediumCVSS 6.9Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
The CentralAuth extension for MediaWiki exposes sensitive information to unauthorized actors, leading to resource leak exposure. This affects versions from master before 1.39.
Risk Assessment
An unauthorized attacker may gain access to confidential information, potentially compromising data security and user privacy.
Recommendation
Update the CentralAuth extension to version 1.39 or later to eliminate the vulnerability.
Other vulnerabilities in MediaWiki CentralAuth Extension
See all- CVE-2026-103047Medium
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS. This issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.
- CVE-2026-100244High
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows data excavation. Affects versions from * before 1.46.1, 1.45.5, 1.43.10.
- CVE-2026-39937High
The CentralAuth extension of MediaWiki improperly removes sensitive information before storage or transfer, leading to resource leak exposure. The issue is fixed on the master branch and in versions 1.43, 1.44, and 1.45.
Original NVD description (English source)
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure.This issue affects Mediawiki - CentralAuth Extension: from master before 1.39.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

