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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-42051

Kirby: System API endpoint leaks license data and installed version to authenticated users

Description

Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, the system API endpoint leaks license data and installed version to authenticated users. This issue has been patched in versions 4.9.0 and 5.4.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

getkirby kirby

  • < 4.9.0affected
  • >= 5.0.0, < 5.4.0affected

References