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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 01 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 01 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
References

Thu, 01 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Apache APISIX: unauthenticated impersonation issue in saml-auth
Weaknesses CWE-347
References
Metrics cvssV4_0

{'score': 6.4, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-01T14:52:48.202Z

Reserved: 2026-09-21T05:44:07.039Z

Link: CVE-2026-94212

cve-icon Vulnrichment

Updated: 2026-10-01T13:10:59.699Z

cve-icon NVD

Status : Deferred

Published: 2026-10-01T12:17:16.793

Modified: 2026-10-01T15:17:35.967

Link: CVE-2026-94212

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T13:30:06Z

Weaknesses