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CVE-2026-39998

HIGH CVSS: 8.8 Published: 2026-06-19 Modified: 2026-06-23

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 Platforms

Apache Apisix

Weakness Type

CWE-20

References