CVE-2026-63041
Received Received - Intake

Authorization Bypass in Apache APISIX

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: Apache Software Foundation

Description
Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX. This vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly. This issue affects Apache APISIX: from 3.11.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.

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Meta Information

Published
2026-08-26
Last Modified
2026-08-26
Generated
2026-08-26
AI Q&A
2026-08-26
EPSS Evaluated
N/A
NVD
CVE-2026-63041
EUVD
EUVD-2026-66409

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apache apisix From 3.11.0 (inc) to 3.17.0 (inc)
apache apisix 3.18.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-807 The product uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Reliance on Untrusted Inputs in a Security Decision issue in Apache APISIX. It affects the attach-consumer-label plugin, which fails to properly sanitize consumer-label headers from client requests. Attackers can manipulate these headers to escalate privileges or bypass authorization checks.

Detection Guidance

To detect this vulnerability, check if your Apache APISIX version is between 3.11.0 and 3.17.0. Use the command: apisix version. If the version falls in this range, the system is vulnerable.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive functions or data by bypassing security controls. This may lead to privilege escalation, unauthorized actions, or data breaches depending on the system configuration.

Mitigation Strategies

Upgrade Apache APISIX to version 3.18.0 or later immediately. This version includes the fix for the attach-consumer-label plugin vulnerability.

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