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CVE PROGRAM SOURCE RECORD7.0 High

CVE-2026-39999

Apache APISIX: JWT Algorithm Confusion allows authentication bypass

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache APISIX

Default version status: unaffected

  • 2.2 to ≤ 3.16.0affected

References