Use of Non-Canonical URL Paths for Authorization Decisions in Apache APISIX - CVE-2026-94269
Published: October 1, 2026
Vulnerability identifier: #VU153091
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-94269
CWE-ID: CWE-647
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to access protected upstream endpoints.
The vulnerability exists due to use of non-canonical URL paths for authorization decisions in Apache APISIX route and upstream authorization handling when processing crafted encoded paths where a permissive route overlaps a protected route. A remote attacker can send a crafted request to access protected upstream endpoints.
Affected software
Apache APISIX
How to mitigate CVE-2026-94269
Install security update from vendor's website.
Apache APISIX - update to 3.19.0