CVE-2026-91866

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	apache software foundation
Product	apache neethi
Published	Sep 21, 2026
Last Updated	Sep 21, 2026

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Affected Versions

Apache Software Foundation / Apache Neethi

0 < 3.2.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

This issue was found using Claude agents to study the security of open-source projects