CVE-2026-54003
1 advisory.
Packagist/getkirby/cms CVE-2026-54003: critical, EPSS 0.74%
Kirby: External Initialization of the Panel on reverse proxy setups with the `Forwarded` header
Action: Upgrade getkirby/cms to 4.9.4 or later.
composer require getkirby/cms:4.9.4composer require getkirby/cms:5.4.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.9.4 | - |
| 5.0.0-alpha.1 | 5.4.4 | - |
Fixed versions
| 4.9.4 | 5.4.4 |
Sources
- osv: GHSA-whxw-24jc-cwmv
- https://github.com/getkirby/kirby/security/advisories/GHSA-whxw-24jc-cwmv
- https://github.com/getkirby/kirby
- https://github.com/getkirby/kirby/releases/tag/4.9.4
- https://github.com/getkirby/kirby/releases/tag/5.4.4
CVE-2026-54003 · published · modified · JSON