CVE-2026-39999

Summary

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 Software

VendorProductVersion RangeStatus
Apache Software FoundationApache APISIX2.2 <= 3.16.0affected

Weaknesses

  • CWE-290: CWE-290 Authentication Bypass by Spoofing

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References