CVE-2026-91866

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.

CVSS Vector

References

• https://lists.apache.org/thread/zbfxnomgvbmqchqjgc6lk5h0z76k3gh4
• http://www.openwall.com/lists/oss-security/2026/09/18/13