MinorCritical vulnerability
CVE-2026-104478 (CVSS 7.1)
NVD · officialPublished Oct 3, 2026Risk 23/100EPSS 0.4%
Formwork before 2.3.13 contains a path traversal vulnerability in BackupController that allows authenticated panel users to read or delete arbitrary files. Attackers with backup download or delete permission can supply a base64-encoded backslash-separated traversal payload that bypasses PHP basename on Linux to access files outside the backup directory.
Technical details
CVSS
7.1
AV:NetworkAC:LowPR:LowUI:None
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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