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Grav has Unauthenticated Path Traversal & Arbitrary File Write in its FormFlash component

🗓️ 05 May 2026 21:34:58Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

Grav FormFlash exposes path traversal via session id to create dirs and write index.yaml.

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13 May 2026 13:52Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
CVSS 49.3
EPSS0.00121
SSVC
3