CVE-2026-104478

HIGH 7.1

Formwork before 2.3.13 Path Traversal via BackupController Download and Delete

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	getformwork
Product	formwork
Published	Oct 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Affected Versions

getformwork / formwork

0 < 2.3.13

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/getformwork/formwork/commit/89e7821a6fcee89474cd401b3dde0c1dccb0687f github.com: https://github.com/getformwork/formwork vulncheck.com: https://www.vulncheck.com/advisories/formwork-before-2.3.13-path-traversal-via-backupcontroller-download-and-delete

Credits

Islomjon Tursunov