CVE-2026-34587
1 advisory.
Packagist/getkirby/cms CVE-2026-34587: high 8.1, EPSS 0.48%
Kirby has Server-Side Template Injection (SSTI) via double template resolution in option rendering
Action: Upgrade getkirby/cms to 4.9.0 or later.
composer require getkirby/cms:4.9.0composer require getkirby/cms:5.4.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.9.0 | - |
| 5.0.0 | 5.4.0 | - |
Fixed versions
| 4.9.0 | 5.4.0 |
Sources
- osv: GHSA-jcjw-58rv-c452
- https://github.com/getkirby/kirby/security/advisories/GHSA-jcjw-58rv-c452
- https://nvd.nist.gov/vuln/detail/CVE-2026-34587
- https://github.com/getkirby/kirby
- https://github.com/getkirby/kirby/releases/tag/4.9.0
- https://github.com/getkirby/kirby/releases/tag/5.4.0
CVE-2026-34587 · published · modified · JSON