CVE-2026-91863

EUVD-2026-83885
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 55.37%
Affected Products (NVD)
VendorProductVersion
apacheneethi
𝑥
< 3.2.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://lists.apache.org/thread/72kxj71lvrqqx90xxqqctvpbw0t8mpxw
http://www.openwall.com/lists/oss-security/2026/09/18/10