CVE-2026-91866 — Apache Neethi: Crafted policies cause unbounded work during intersection leading to denial of service

CVE-2026-91866

Apache Neethi: Crafted policies cause unbounded work during intersection leading to denial of service PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Neethi	affected 0 before 3.2.4

CWE

No CWE identifiers supplied.

References

https://lists.apache.org/thread/zbfxnomgvbmqchqjgc6lk5h0z76k3gh4

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/09/18/13

CISA-ADP

No English description supplied.

No references supplied.