---
id: CVE-2026-91865
title: >-
  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 upgr…
summary: >-
  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 upgr…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
  - CWE-776
vendor: apache
product: neethi
affected:
  - neethi < 3.2.4
patched:
  - neethi 3.2.4
published: '2026-09-21'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T13:09:32.773'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91865'
references:
  - url: 'https://lists.apache.org/thread/l48btqh02rlpsgf5p6r5ltqk1cb69dtc'
    label: security@apache.org
  - url: 'http://www.openwall.com/lists/oss-security/2026/09/18/12'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91865.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-91865'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2538975'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-91865'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91865'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.0074
epssPercentile: 0.54403
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-21T13:17:00.672389Z'
ingestedAt: '2026-09-21T11:35:54.436Z'
---

## Overview

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.

## Affected

- `neethi < 3.2.4`

## Remediation

Upgrade past the affected range:

- `neethi 3.2.4`

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat build of Apache Camel for Spring Boot 4, Red Hat JBoss Enterprise Application Platform 7, Red Hat JBoss Enterprise Application Platform 8, Red Hat Single Sign-On 7 · no fix planned: Red Hat JBoss Enterprise Application Platform 7, Red Hat Single Sign-On 7, Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat build of Apache Camel for Spring Boot 4, … · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91865.json)