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CVE Vulnerability Details :
CVE-2026-42051
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-09 May, 2026 | 03:37
Updated At-09 May, 2026 | 03:37
Rejected At-
▼CVE Numbering Authority (CNA)
Kirby: System API endpoint leaks license data and installed version to authenticated users

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
Vendor
getkirby
Product
kirby
Versions
Affected
  • < 4.9.0
  • >= 5.0.0, < 5.4.0
Problem Types
TypeCWE IDDescription
CWECWE-862CWE-862: Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: CWE-862: Missing Authorization
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/getkirby/kirby/security/advisories/GHSA-x68m-c7jf-2572
x_refsource_CONFIRM
https://github.com/getkirby/kirby/releases/tag/4.9.0
x_refsource_MISC
https://github.com/getkirby/kirby/releases/tag/5.4.0
x_refsource_MISC
Hyperlink: https://github.com/getkirby/kirby/security/advisories/GHSA-x68m-c7jf-2572
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/getkirby/kirby/releases/tag/4.9.0
Resource:
x_refsource_MISC
Hyperlink: https://github.com/getkirby/kirby/releases/tag/5.4.0
Resource:
x_refsource_MISC
Details not found