CVE-2026-91863

Apache Neethi: Uncontrolled recursion while parsing crafted WS-Policy documents allows denial of service

State: Published
Severity: 7.5 High
Published: Sep 21, 2026
Updated: Sep 21, 2026
Reserved: Sep 15, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-674 Uncontrolled Recursion

Affected Products

Product	Versions
Apache NeethiApache Software Foundation	before 3.2.4Affected

References

https://lists.apache.org/thread/72kxj71lvrqqx90xxqqctvpbw0t8mpxwvendor-advisory
http://www.openwall.com/lists/oss-security/2026/09/18/10

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