CVE-2026-27129
1 advisory.
Packagist/craftcms/cms CVE-2026-27129: medium, EPSS 0.46%
Craft CMS: Cloud Metadata SSRF Protection Bypass via IPv6 Resolution
Action: Upgrade craftcms/cms to 4.16.19 or later.
composer require craftcms/cms:5.8.23composer require craftcms/cms:4.16.19Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.0.0-RC1 | 5.8.23 | - |
| 3.5.0 | 4.16.19 | - |
Fixed versions
| 5.8.23 | 4.16.19 |
Sources
- osv: GHSA-v2gc-rm6g-wrw9
- https://github.com/craftcms/cms/security/advisories/GHSA-v2gc-rm6g-wrw9
- https://github.com/craftcms/cms/security/advisories/GHSA-x27p-wfqw-hfcc
- https://nvd.nist.gov/vuln/detail/CVE-2026-27129
- https://github.com/craftcms/cms/commit/2825388b4f32fb1c9bd709027a1a1fd192d709a3
- https://github.com/craftcms/cms
CVE-2026-27129 · published · modified · JSON