CVE-2026-39999

CriticalCVSS 9.1/10Last modified Jun 23, 2026

Description

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-290

Affected software

No affected versions have been published.

Timeline

Published: Jun 19, 2026
Last modified: Jun 23, 2026
NVD status: Analyzed

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