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Gotenberg has an ExifTool Dangerous Tag Blocklist Bypass via Group-Prefixed Tag Names that Allows Arbitrary File Rename and Move

🗓️ 04 May 2026 19:21:19Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Gotenberg bypasses tag blocklist by using System:FileName in ExifTool to rename files without login.

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14 May 2026 20:51Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.2
EPSS0.00155
SSVC
6