CVE-2026-31908
CRITICAL9.1EPSS 0.04%Apache APISIX: forward auth plugin allows header injection
Published: 4/16/2026Modified: 4/17/2026
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 packages (1)
- Bitnami/apisix>= 2.12.0, < 3.16.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |