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

CVE-2026-94212

Apache APISIX: unauthenticated impersonation issue in saml-auth PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache APISIX	affected 3.17.0 through 3.18.0

CWE

CWE-347

References

https://lists.apache.org/thread.html/1230fnojnmc7bfz3n0nkt7tkcld9d1sc

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/10/01/4

CISA-ADP

No English description supplied.

No references supplied.