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.

PUBLISHED Reserved 2026-03-10 | Published 2026-04-14 | Updated 2026-04-16 | Assigner apache

Problem types

CWE-75 Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)

Product status

Credits

SeungMyung Lee reporter

References

www.openwall.com/lists/oss-security/2026/04/14/3

lists.apache.org/thread/sob643s5lztov7x579j8o0c444t36n6b vendor-advisory

cve.org (CVE-2026-31908)

nvd.nist.gov (CVE-2026-31908)

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