CVE-2026-63041

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.

Score

CVSS 3.1 8.8 High

Status

Analyzed - security@apache.org

Published

2026-08-26

Last modified

2026-08-26

Weaknesses

CWE-807

Affected products

• Apisix (Apache)
• Apache Apisix (Apache Software Foundation)

References

• https://lists.apache.org/thread/yg9tgn699rz7kyglw82m1775do8frjr4
• http://www.openwall.com/lists/oss-security/2026/08/26/11