CVE-2026-31908

published 2026-04-14

CVE-2026-31908: Header injection vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers…

Priority P2 60 critical 9.1 CVSS 3.1

AV N AC L PR N UI N S U C H I H A N

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
apache	apisix	>= 2.12.0 < 3.16.0	3.16.0
apache_software_foundation	apache_apisix	2.12.0 – 3.15.0	—

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