CVE-2026-124680
Received Received - Intake

Incorrect Authorization in Apache APISIX

Publication date: 2026-11-13

Last updated on: 2026-11-13

Assigner: Apache Software Foundation

Description
Interpretation Conflict, resulting in (Incorrect Authorization) vulnerability in Apache APISIX. An unauthenticated client can reach upstream paths protected by a route-level auth plugin when a route without auth exists on the same upstream and the upstream does not collapse encoded dot segments. This issue affects Apache APISIX: from 0.9 through 3.19.0. Users are recommended to upgrade to version 3.20.0, which fixes the issue.

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Meta Information

Published
2026-11-13
Last Modified
2026-11-13
Generated
2026-11-13
AI Q&A
2026-11-13
EPSS Evaluated
N/A
NVD
CVE-2026-124680
EUVD
EUVD-2026-125678

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Apache Software Foundation Apache APISIX From 0.9 (inc) to 3.19.0 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-436 Product A handles inputs or steps differently than Product B, which causes A to perform incorrect actions based on its perception of B's state.

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Executive Summary

This is an Interpretation Conflict vulnerability in Apache APISIX that allows unauthenticated access to upstream paths protected by a route-level auth plugin. The issue occurs when a route without authentication exists on the same upstream and the upstream does not collapse encoded dot segments.

Impact Analysis

An attacker could bypass authentication and access sensitive data or perform unauthorized actions on protected routes. This could lead to data breaches, unauthorized system access, or other malicious activities depending on the exposed functionality.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating compliance requirements such as GDPR (data protection) or HIPAA (health information privacy). Organizations may face legal penalties, fines, or reputational damage.

Mitigation Strategies

Upgrade Apache APISIX to version 3.20.0 or later to fix the vulnerability.

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