CVE-2026-94212: CWE-347 Improper verification of cryptographic signature in Apache Software Foundation Apache APISIX
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.
AI Analysis
Technical Summary
Apache APISIX versions 3.17.0 through 3.18.0 contain a CWE-347 vulnerability due to improper verification of cryptographic signatures in the saml-auth plugin. This weakness enables unauthenticated attackers to impersonate any user on routes protected by the plugin when default settings are used. The vulnerability has a CVSS 4.0 base score of 6.4, indicating a medium severity. The vendor recommends upgrading to version 3.19.0 to remediate the issue.
Potential Impact
An unauthenticated attacker can impersonate any user on routes protected by the saml-auth plugin in Apache APISIX versions 3.17.0 through 3.18.0 under default configuration. This could lead to unauthorized access and potential misuse of user privileges on affected systems.
Mitigation Recommendations
Users should upgrade Apache APISIX to version 3.19.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.
CVE-2026-94212: CWE-347 Improper verification of cryptographic signature in Apache Software Foundation Apache APISIX
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.
CVSS v4.0
Score 6.4medium
Affected software
Apache Software Foundation
Apache APISIX
pkg:github/apache/apisixRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Apache APISIX versions 3.17.0 through 3.18.0 contain a CWE-347 vulnerability due to improper verification of cryptographic signatures in the saml-auth plugin. This weakness enables unauthenticated attackers to impersonate any user on routes protected by the plugin when default settings are used. The vulnerability has a CVSS 4.0 base score of 6.4, indicating a medium severity. The vendor recommends upgrading to version 3.19.0 to remediate the issue.
Potential Impact
An unauthenticated attacker can impersonate any user on routes protected by the saml-auth plugin in Apache APISIX versions 3.17.0 through 3.18.0 under default configuration. This could lead to unauthorized access and potential misuse of user privileges on affected systems.
Mitigation Recommendations
Users should upgrade Apache APISIX to version 3.19.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-09-21T05:44:07.039Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abe748da43b0b3b89bd1c99
Added to database: 10/01/2026, 14:56:13 UTC
Last enriched: 10/01/2026, 15:19:43 UTC
Last updated: 10/01/2026, 19:41:32 UTC
Views: 4
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