Vulnerability intelligence

CVE-2026-39999

Apache Software Foundation Apache APISIX CWE-290

Authentication Bypass by Spoofing vulnerability in Apache APISIX. The attacker can completely bypass authentication capitalising on certain configurations of jwt-auth plugin. This issue affects Apache APISIX: from v2.2 through v3.16.0. Users are recommended to upgrade to version v3.17.0, which fixes the issue.

CVSS Score

High

EPSS — Exploit Probability

0.6%

Riskier than 49% of all CVEs · checked 2026-10-05

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

unknown

Check vendor advisories

NVD entry PoC / advisory