Packagist/symfony/symfony CVE-2026-45074: high 8.1, EPSS 0.49%
Symfony's Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay
Action: Upgrade symfony/symfony to 7.4.12 or later.
composer require symfony/symfony:7.4.12composer require symfony/symfony:8.0.12Affected
| introduced | fixed | last affected |
|---|---|---|
| 7.1.0 | 7.4.12 | - |
| 8.0.0 | 8.0.12 | - |
Fixed versions
| 7.4.12 | 8.0.12 |
Sources
- osv: GHSA-j8gj-9rm5-4xhx#Packagist/symfony/symfony
- nvd: CVE-2026-45074
- https://github.com/symfony/symfony/security/advisories/GHSA-j8gj-9rm5-4xhx
- https://github.com/symfony/symfony/commit/5ba145dba702404801bdf9e7e8d6df170060d541
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2026-45074.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-45074.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-45074
CVE-2026-45074 · published · modified · JSON