What is CVE-2026-91865?

CVE-2026-91865 is a high-severity vulnerability in Apache Software Foundation Neethi, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-09-21.

How severe is CVE-2026-91865?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Apache Software Foundation Neethi

CVE-2026-91865

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.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Software Foundation Neethi

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@apache.org (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-91865?: CVE-2026-91865 is a high-severity vulnerability in Apache Software Foundation Neethi, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-09-21.
How severe is CVE-2026-91865?: High severity. CVSS v3 base score is 7.5 out of 10.