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Message-ID: <286f2f94-67c5-590f-4ab4-a4927a81afe4@apache.org>
Date: Fri, 18 Sep 2026 15:30:57 +0000
From: Colm O hEigeartaigh <coheigea@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-91866: Apache Neethi: Crafted policies cause unbounded
work during intersection leading to denial of service
Severity: moderate
Affected versions:
- Apache Neethi (org.apache.neethi:neethi) before 3.2.4
Description:
A specially crafted pair of WS-Policy documents can force Neethi's policy-intersection to do exponential amounts of work, pinning the CPU for a long time (denial of service).
Users are recommended to upgrade to version 3.2.4, which fixes this issue.
Credit:
This issue was found using Claude agents to study the security of open-source projects (finder)
References:
https://ws.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-91866
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