Improper Verification of Cryptographic Signature in Apache APISIX - CVE-2026-94212
Published: October 1, 2026
Vulnerability identifier: #VU153088
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-94212
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to impersonate any user.
The vulnerability exists due to improper verification of cryptographic signature in the saml-auth plugin when processing SAML authentication data. A remote user can provide SAML authentication data to impersonate any user.
Only routes protected by the saml-auth plugin under the default configuration are affected.
Affected software
Apache APISIX
How to mitigate CVE-2026-94212
Install security update from vendor's website.
Apache APISIX - update to 3.19.0