What is GHSA-86hq-f9pp-3cr9?

GHSA-86hq-f9pp-3cr9 is a security advisory published by GitHub Security Advisories with Medium severity. Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of...

Which CVE IDs does GHSA-86hq-f9pp-3cr9 cover?

GHSA-86hq-f9pp-3cr9 covers the following CVE IDs: CVE-2026-39998. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-86hq-f9pp-3cr9?

GHSA-86hq-f9pp-3cr9 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-86hq-f9pp-3cr9MediumCVSS 8.8

Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of...

Vendor

GitHub Security Advisories

Published

June 19, 2026

Last Modified

June 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-39998 →

📋 Description

Improper Input Validation vulnerability in Apache APISIX.

The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers. This issue affects Apache APISIX: from 2.12.0 through 3.16.0.

Users are recommended to upgrade to version 3.17.0, which fixes the issue.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-39998
https://lists.apache.org/thread/vgkvy396010d7g6m0jrn4d3hjf2svlvv
http://www.openwall.com/lists/oss-security/2026/06/19/4
https://github.com/advisories/GHSA-86hq-f9pp-3cr9