CVE-2026-91865

UNKNOWN 0.0

Apache Neethi: Crafted policy references cause exponential expansion during normalization leading to denial of service

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (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/l48btqh02rlpsgf5p6r5ltqk1cb69dtc openwall.com: http://www.openwall.com/lists/oss-security/2026/09/18/12

Credits

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