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.
Published: 2026-06-19
Score: 7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 19 Jun 2026 18:15:00 +0000

Type Values Removed Values Added
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.
Title Apache APISIX: JWT Algorithm Confusion allows authentication bypass
Weaknesses CWE-290
References
Metrics cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-06-19T16:49:47.000Z

Reserved: 2026-04-08T02:56:44.658Z

Link: CVE-2026-39999

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-290

    Authentication Bypass by Spoofing