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. 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.
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS probability
- 0.52%
- CWE
- CWE-75
- Published
- 2026-04-14
- Last modified
- 2026-04-16
Affected products
- Apache Software Foundation Apache APISIX
Weakness type
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