Header injection vulnerability in Apache APISIX.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 14, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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

• cpe apache/apisixversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-31908

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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

  nvd.nist.gov

References

• Mailing List · openwall.com
• Mailing List · lists.apache.org