Medium severity4.3GHSA Advisory· Published May 9, 2026· Updated May 18, 2026
CVE-2026-42051
CVE-2026-42051
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
getkirby/cmsPackagist | < 4.9.0 | 4.9.0 |
getkirby/cmsPackagist | >= 5.0.0, < 5.4.0 | 5.4.0 |
Affected products
3Patches
Vulnerability mechanics
References
5- github.com/getkirby/kirby/security/advisories/GHSA-x68m-c7jf-2572nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-x68m-c7jf-2572ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-42051ghsaADVISORY
- github.com/getkirby/kirby/releases/tag/4.9.0nvdRelease NotesWEB
- github.com/getkirby/kirby/releases/tag/5.4.0nvdRelease NotesWEB
News mentions
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