CVE-2026-94212

EUVD-2026-90765
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
6.4 MEDIUM
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apacheapisix
3.17.0 ≤
𝑥
≤ 3.18.0
CNA
Common Weakness Enumeration
References
https://lists.apache.org/thread.html/1230fnojnmc7bfz3n0nkt7tkcld9d1sc
http://www.openwall.com/lists/oss-security/2026/10/01/4