CVE-2026-42051

Summary

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 Software

Weaknesses

• CWE-862: CWE-862: Missing Authorization

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/getkirby/kirby/security/advisories/GHSA-x68m-c7jf-2572
• https://github.com/getkirby/kirby/releases/tag/4.9.0
• https://github.com/getkirby/kirby/releases/tag/5.4.0

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