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Critical severity9.1NVD Advisory· Published Jun 19, 2026· Updated Jun 23, 2026

CVE-2026-39999

CVE-2026-39999

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

3
  • Apache/Apisix2 versions
    cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*range: >=2.2,<3.17.0
    • (no CPE)range: v2.2 - v3.16.0
  • osv-coords
    pkg:bitnami/apisix
    Range: >= 2.2.0, < 3.17.0

Patches

Vulnerability mechanics

References

2

News mentions

1