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CVE-2026-94212

Apache APISIX: unauthenticated impersonation issue in saml-auth

CVSS 4.0 6.4 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-94212

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-94212

Published

Apache APISIX

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache APISIX",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.17.0",
                            "lessThanOrEqual": "3.18.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON