Unrated severityNVD Advisory· Published Jun 19, 2026· Updated Jun 19, 2026
Apache APISIX: Identity Injection via forward-auth Plugin Missing Header Cleanup
CVE-2026-39998
Description
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 products
1Patches
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- lists.apache.org/thread/vgkvy396010d7g6m0jrn4d3hjf2svlvvmitrevendor-advisory
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