CVE-2025-61641 PUBLISHED

API list=allpages with maxsize is making really slow queries

Assigner: wikimedia-foundation
Reserved: 29.09.2025 Published: 02.02.2026 Updated: 02.02.2026

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/api/ApiQueryAllPages.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
CVSS Score: 1.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	Wikimedia Foundation
Product	MediaWiki
Versions	Default: unaffected affected from * to 1.39.14, 1.43.4, 1.44.1 (excl.)