High (7.5) in mediawiki mediawiki. EPSS 1.0% chance of exploitation in the next 30 days.
An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalRenameRequest page is vulnerable to infinite loops and denial of service attacks when a user's current username is beyond an arbitrary maximum configuration value (MaxNameChars).
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)