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Medium · 5.3 CVE-2026-63041 EUVD-2026-66409GHSA-h244-w3g4-3cv4

Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers

Published Aug 26, 2026 · Updated Aug 26, 2026 · Assigned by apache

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.

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache APISIX 3.11.0 – ≤ 3.17.0 —

References