What is GHSA-wr93-w764-3636?

GHSA-wr93-w764-3636 is a security advisory published by GitHub Security Advisories with High severity. A specially crafted WS-Policy document with deeply nested policy elements can bypass Neethi's...

Which CVE IDs does GHSA-wr93-w764-3636 cover?

GHSA-wr93-w764-3636 covers the following CVE IDs: CVE-2026-91863. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-wr93-w764-3636?

GHSA-wr93-w764-3636 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-wr93-w764-3636HighCVSS 7.5

A specially crafted WS-Policy document with deeply nested policy elements can bypass Neethi's...

Vendor

GitHub Security Advisories

Published

September 21, 2026

Last Modified

September 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-91863 →

📋 Description

A specially crafted WS-Policy document with deeply nested policy elements can bypass Neethi's nesting-depth limit and exhaust the thread stack, crashing the parser (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-91863
https://lists.apache.org/thread/72kxj71lvrqqx90xxqqctvpbw0t8mpxw
http://www.openwall.com/lists/oss-security/2026/09/18/10
https://github.com/advisories/GHSA-wr93-w764-3636