CVE-2026-104478

Formwork before 2.3.13 Path Traversal via BackupController Download and Delete

Published Oct 2, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Formwork before 2.3.13 Path Traversal via BackupController Download and Delete
First Time appeared Formwork Project
Formwork Project formwork
Weaknesses CWE-22
CPEs cpe:2.3:a:formwork_project:formwork:*:*:*:*:*:*:*:*
Vendors & Products Formwork Project
Formwork Project formwork
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 5, 2026, 4:06 PM
Reserved
Oct 2, 2026, 12:55 AM
Status
Deferred
Published
Oct 3, 2026, 12:16 AM
Modified
Oct 5, 2026, 4:17 PM