CVE-2026-21857
1 advisory.
Packagist/redaxo/source CVE-2026-21857: high
Redaxo has Path Traversal in Backup Addon Leading to Arbitrary File Read
Action: Upgrade redaxo/source to 5.20.2 or later.
composer require redaxo/source:5.20.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.20.2 | - |
Fixed versions
| 5.20.2 |
Sources
- osv: GHSA-824x-88xg-cwrv
- https://github.com/redaxo/redaxo/security/advisories/GHSA-824x-88xg-cwrv
- https://nvd.nist.gov/vuln/detail/CVE-2026-21857
- https://github.com/redaxo/redaxo
- https://github.com/redaxo/redaxo/releases/tag/5.20.2
CVE-2026-21857 · published · modified · JSON