CVE-2026-31982 — Open Redirect in SAML Single Sign-On in Guardian/CMC before 26.2.0
An Open Redirect vulnerability was discovered in the SAML Single Sign-On functionality due to insufficient validation of a user-controlled redirection parameter. An unauthentica…
Published: 2026-07-09 · CVSS: 5.3 · CVSS 4.0
An Open Redirect vulnerability was discovered in the SAML Single Sign-On functionality due to insufficient validation of a user-controlled redirection parameter. An unauthenticated attacker can craft a request to the SAML sign-in endpoint and poison the cached SAML redirection for other users who subsequently initiate SAML Single Sign-On, enabling phishing and credential-theft attacks, as well as disrupting SAML authentication for all affected users.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7