CVE-2026-63041 MEDIUM

CVE-2026-63041: Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers

Vendor Apache Software Foundation
Product Apache APISIX
Weakness CWE-807
Published August 26, 2026
Last update August 26, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 26, 2026 CVE published