CVE-2026-94212Apache APISIX: unauthenticated impersonation issue in saml-auth

Descripción

Improper verification of cryptographic signature vulnerability in Apache APISIX. Any unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0. Users are recommended to upgrade to version 3.19.0, which fixes the issue.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://lists.apache.org/thread.html/1230fnojnmc7bfz3n0nkt7tkcld9d1sc vendor-advisory
• http://www.openwall.com/lists/oss-security/2026/10/01/4