| Package | Affected versions | Patched versions |
|---|---|---|
| cmc | < 26.2.0 | 26.2.0 |
| guardian | < 26.2.0 | 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 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.
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