CVE-2026-31908

CVE-2026-31908: Apache APISIX: forward auth plugin allows header injection

Vendor Apache Software Foundation

Product Apache APISIX

Weakness CWE-75

Published April 14, 2026

Last update April 16, 2026

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CVSS base score

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What the vulnerability does

Description

Header injection vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers. This issue affects Apache APISIX: from 2.12.0 through 3.15.0. Users are recommended to upgrade to version 3.16.0, which fixes the issue.

Key dates

Disclosure timeline

April 14, 2026 CVE published

April 16, 2026 Record updated