CVE-2026-71478
1 advisory.
Packagist/league/commonmark CVE-2026-71478: medium 6.1, EPSS 0.36%
league/commonmark: AttributesExtension href/src unsafe-link filter bypass via embedded control bytes
Action: Upgrade league/commonmark to 2.9.0 or later.
composer require league/commonmark:2.9.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.5.0 | 2.9.0 | - |
Fixed versions
| 2.9.0 |
Sources
- osv: GHSA-29pj-957v-52mc
- https://github.com/thephpleague/commonmark/security/advisories/GHSA-29pj-957v-52mc
- https://github.com/thephpleague/commonmark/commit/493a5aa7d65754b73846006eaff9c2c4431a8e2c
- https://github.com/thephpleague/commonmark
- https://github.com/thephpleague/commonmark/releases/tag/2.9.0
CVE-2026-71478 · published · modified · JSON