Critical severity9.1NVD Advisory· Published Apr 14, 2026· Updated Apr 17, 2026
CVE-2026-31908
CVE-2026-31908
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- www.openwall.com/lists/oss-security/2026/04/14/3nvdMailing ListThird Party Advisory
- lists.apache.org/thread/sob643s5lztov7x579j8o0c444t36n6bnvdMailing ListVendor Advisory
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