CVE-2026-94212
Deferred Deferred - Pending Action

Improper Cryptographic Signature Verification in Apache APISIX

Publication date: 2026-10-01

Last updated on: 2026-10-01

Assigner: Apache Software Foundation

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.

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Meta Information

Published
2026-10-01
Last Modified
2026-10-01
Generated
2026-10-01
AI Q&A
2026-10-01
EPSS Evaluated
N/A
NVD
CVE-2026-94212
EUVD
EUVD-2026-90765

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apache apisix From 3.17.0 (inc) to 3.18.0 (inc)
apache apisix 3.19.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.

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Executive Summary

This is an improper verification of cryptographic signature vulnerability in Apache APISIX. An unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. The issue affects Apache APISIX versions from 3.17.0 through 3.18.0.

Detection Guidance

This vulnerability is specific to Apache APISIX versions 3.17.0 through 3.18.0 with the saml-auth plugin. Detection requires checking the installed version of Apache APISIX and verifying if the saml-auth plugin is enabled. No direct commands are provided in the context to detect exploitation attempts.

Impact Analysis

An attacker could gain unauthorized access to protected routes by impersonating legitimate users. This could lead to data breaches, unauthorized actions, or further compromise of the system if the attacker escalates privileges.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating confidentiality requirements in GDPR and HIPAA. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Upgrade Apache APISIX to version 3.19.0 or later to fix the improper cryptographic signature verification in the saml-auth plugin.

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