Threats Tagged 'cve-2026-49283'
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Threats Tagged 'cve-2026-49283'
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GHSA-6929-8p9f-26jx: SimpleSAMLphp HTTP-Artifact TLS validator confusion allows cross-IdP authentication bypassCVE-2026-49283 0 SimpleSAMLphp versions before 6.2.1, 5.0.6, and 4.20.2 contain a vulnerability in the HTTP-Artifact receive path where an unsigned embedded SAML Response can be treated as valid for the wrong identity provider (IdP). This allows a malicious or lower-trust IdP within the same federation to authenticate to a service provider (SP) as users from a higher-trust IdP, effectively bypassing authentication and impersonating identities. The issue arises from improper TLS validator handling during SOAP ArtifactResponse processing, leading to acceptance of forged unsigned assertions. Join the discussion | GCVE Database | 07/02/2026, 20:25:56 UTC Added: 07/02/2026, 22:56:50 UTC |
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