Packagist/craftcms/cms CVE-2026-27127: high, EPSS 0.46%
Craft CMS has Cloud Metadata SSRF Protection Bypass via DNS Rebinding
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-gp2f-7wcm-5fhx
- https://github.com/craftcms/cms/security/advisories/GHSA-gp2f-7wcm-5fhx
- https://github.com/craftcms/cms/security/advisories/GHSA-x27p-wfqw-hfcc
- https://nvd.nist.gov/vuln/detail/CVE-2026-27127
- https://github.com/craftcms/cms/commit/a4cf3fb63bba3249cf1e2882b18a2d29e77a8575
- https://curl.se/libcurl/c/CURLOPT_RESOLVE.html
- https://github.com/craftcms/cms
- https://github.com/mogwailabs/DNSrebinder
- https://github.com/nccgroup/singularity
- https://github.com/taviso/rbndr
- https://unit42.paloaltonetworks.com/dns-rebinding
CVE-2026-27127 · published · modified · JSON