Vulnerability Intelligence Report
Formwork before 2.3.13 Path Traversal via BackupController Download and Delete
CVE-2026-104478
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.
Path Traversal
No Active Exploit Signals
CVSS Base Score
7.1
HIGH
EPSS Probability:0.35%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-22 ↗Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| getformwork | formwork | 0 < 2.3.13 (affected), 2.3.13 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-10-02T00:55:58 |
| Published | 2026-10-02T23:28:48 |
| Patch Date | 2026-08-22 |
| Last Updated | 2026-10-05T16:06:44 |
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