Incorrect authorization in Apache APISIX - CVE-2026-47339
Published: August 25, 2026
Vulnerability identifier: #VU145249
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-47339
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to authenticate themselves with credentials from a different source.
The vulnerability exists due to improper authorization in the authz-casdoor plugin when operating under the default configuration. A remote attacker can exploit the plugin behavior to authenticate themselves with credentials from a different source.
Only deployments using the authz-casdoor plugin under the default configuration are vulnerable.
Affected software
Apache APISIX
How to mitigate CVE-2026-47339
Install security update from vendor's website.
Apache APISIX - update to 3.17.0