CVE-2026-54004: CWE-862: Missing Authorization in getkirby kirby
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites with content.fileRedirects enabled could redirect unauthenticated clean file URL requests for files stored in top-level draft pages to physical media URLs without checking page access permissions or preview tokens, leading to disclosure of draft file contents. This issue is fixed in versions 4.9.4 and 5.4.4.
AI Analysis
Technical Summary
CVE-2026-54004 is a missing authorization vulnerability (CWE-862) in the getkirby kirby CMS. When content.fileRedirects is enabled, unauthenticated requests for files stored in top-level draft pages are redirected to physical media URLs without verifying page access permissions or preview tokens. This results in unauthorized disclosure of draft file contents. The vulnerability affects versions prior to 4.9.4 and 5.4.4 and has been addressed in those fixed versions.
Potential Impact
An attacker can access draft file contents that should be restricted, leading to potential exposure of sensitive or unpublished media files. This unauthorized disclosure could compromise confidentiality of draft content on affected Kirby CMS sites with the vulnerable configuration.
Mitigation Recommendations
Upgrade Kirby CMS to version 4.9.4 or later, or 5.4.4 or later, where this authorization issue has been fixed. No other mitigation or temporary workaround is documented. Patch status is confirmed fixed in these versions.
CVE-2026-54004: CWE-862: Missing Authorization in getkirby kirby
Description
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites with content.fileRedirects enabled could redirect unauthenticated clean file URL requests for files stored in top-level draft pages to physical media URLs without checking page access permissions or preview tokens, leading to disclosure of draft file contents. This issue is fixed in versions 4.9.4 and 5.4.4.
CVSS v4.0
Score 6.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-54004 is a missing authorization vulnerability (CWE-862) in the getkirby kirby CMS. When content.fileRedirects is enabled, unauthenticated requests for files stored in top-level draft pages are redirected to physical media URLs without verifying page access permissions or preview tokens. This results in unauthorized disclosure of draft file contents. The vulnerability affects versions prior to 4.9.4 and 5.4.4 and has been addressed in those fixed versions.
Potential Impact
An attacker can access draft file contents that should be restricted, leading to potential exposure of sensitive or unpublished media files. This unauthorized disclosure could compromise confidentiality of draft content on affected Kirby CMS sites with the vulnerable configuration.
Mitigation Recommendations
Upgrade Kirby CMS to version 4.9.4 or later, or 5.4.4 or later, where this authorization issue has been fixed. No other mitigation or temporary workaround is documented. Patch status is confirmed fixed in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-06-11T16:34:11.635Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4ff3f768715ace43ecf657
Added to database: 07/09/2026, 19:18:15 UTC
Last enriched: 07/09/2026, 19:33:08 UTC
Last updated: 08/22/2026, 22:52:14 UTC
Views: 103
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