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VULNERABILITIES

CVE-2026-31908 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://www.openwall.com/lists/oss-security/2026/04/14/3 CVEMailing ListThird Party Advisory
https://lists.apache.org/thread/sob643s5lztov7x579j8o0c444t36n6b [email protected]Mailing ListVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-75Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)[email protected]

Affected Products

ProductVersions
apache apisix
>= 2.12.0, < 3.16.0

CPE

  • cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-31908
NVD Published Date:
Apr 14, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-31908 Details - Not Deferred