Formwork before 2.3.13 Path Traversal via BackupController Download and Delete
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.
CVE-2026-104478
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-104478
formwork
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "getformwork",
"product": "formwork",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.3.13",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.3.13",
"versionType": "semver"
}
],
"packageURL": "pkg:composer/getformwork/formwork",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-104478
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #8765 · Revision 1
- Added to Heist Feed
- Publisher date