CVE-2026-91863

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

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/72kxj71lvrqqx90xxqqctvpbw0t8mpxw openwall.com: http://www.openwall.com/lists/oss-security/2026/09/18/10

Credits

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