NVD HIGH: CVE-2026-104478 — Formwork before 2.3.13 contains a path traversal vulnerability in BackupControll...

Saturday, October 3, 2026 at 12:16 AM UTC·Source: NIST NVD

Updated: Saturday, October 3, 2026 at 05:00 PM UTC

Executive Summary

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.

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2026-104478

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on Oct 3, 2026. Verified by: NIST.

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