Reliance on Untrusted Inputs in a Security Decision in Apache APISIX - CVE-2026-63041
Published: August 26, 2026
Vulnerability identifier: #VU145389
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-63041
CWE-ID: CWE-807
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges or perform an authorization bypass.
The vulnerability exists due to reliance on untrusted inputs in a security decision in the attach-consumer-label plugin when handling client-supplied consumer-label headers. A remote attacker can send certain header values to escalate privileges or perform an authorization bypass.
Affected software
Apache APISIX
How to mitigate CVE-2026-63041
Install security update from vendor's website.
Apache APISIX - update to 3.18.0