Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.1.0 until 7.4.12 and 8.0.12, Cas2Handler builds the CAS service parameter from Request::getSchemeAndHttpHost(), which reflects an attacker-controlled Host header when framework.trusted_hosts is not configured; an attacker controlling another application registered with the same CAS server can replay a victim ticket against the Symfony application and authenticate as the victim. This issue is fixed in versions 7.4.12 and 8.0.12.
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History
Tue, 14 Jul 2026 19:30:00 +0000
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ssvc
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Tue, 14 Jul 2026 18:15:00 +0000
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| Description | Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.1.0 until 7.4.12 and 8.0.12, Cas2Handler builds the CAS service parameter from Request::getSchemeAndHttpHost(), which reflects an attacker-controlled Host header when framework.trusted_hosts is not configured; an attacker controlling another application registered with the same CAS server can replay a victim ticket against the Symfony application and authenticate as the victim. This issue is fixed in versions 7.4.12 and 8.0.12. | |
| Title | Symfony: Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay | |
| Weaknesses | CWE-290 | |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-07-14T18:24:34.062Z
Reserved: 2026-05-08T18:45:10.096Z
Link: CVE-2026-45074
Updated: 2026-07-14T18:24:28.019Z
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OpenCVE Enrichment
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