CVE-2026-39998 — Apache APISIX: Identity Injection via forward-auth Plugin Missing Header Cleanup

CVE-2026-39998

Apache APISIX: Identity Injection via forward-auth Plugin Missing Header Cleanup PUBLISHED

Description (CNA)

Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers. This issue affects Apache APISIX: from 2.12.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the issue.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache APISIX	affected 2.12.0 through 3.16.0

CWE

CWE-20

References

https://lists.apache.org/thread/vgkvy396010d7g6m0jrn4d3hjf2svlvv

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/06/19/4

CISA-ADP

No English description supplied.

No references supplied.