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CVE-2026-45074: Symfony's Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay

medium Affects symfony/security-http, symfony/symfony. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Symfony's Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay

Package
symfony/security-http Composer
Affected versions
>=7.1.0 and <7.4.12 or >=8.0.0 and <8.0.12 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.12
Fixed in
7.4.12, 8.0.12
Severity
medium
Exploitation
not on CISA KEV · EPSS 0% (41.9th percentile)
Published
2026-05-27
Source
osv.dev

References

Symfony's Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay

Package
symfony/symfony Composer
Affected versions
>=7.1.0 and <7.4.12 or >=8.0.0 and <8.0.12 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.12
Fixed in
7.4.12, 8.0.12
Severity
medium
Exploitation
not on CISA KEV · EPSS 0% (41.9th percentile)
Published
2026-05-27
Source
osv.dev

References

CWE-290
NVD recordsymfony/security-http advisoriessymfony/symfony advisories

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