CVE-2026-66143 - Vulnerability Details - OpenCVE

It is possible to bypass the maximum number of normalized policy alternatives that was introduced in Apache Neethi 3.2.2 via certain crafted policies, which may lead to a denial of service attack via resource consumption. Users are recommended to upgrade to version 3.2.3, which fixes this issue.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apache Software Foundation

Apache Neethi

unaffected

Version	Status	Constraints
`0`	affected	< 3.2.3

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://lists.apache.org/thread/s6o6p5pvcbcsk54dlg6j699t5gxol28w

History

Fri, 24 Jul 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 24 Jul 2026 18:30:00 +0000

Type	Values Removed	Values Added
Description		It is possible to bypass the maximum number of normalized policy alternatives that was introduced in Apache Neethi 3.2.2 via certain crafted policies, which may lead to a denial of service attack via resource consumption. Users are recommended to upgrade to version 3.2.3, which fixes this issue.
Title		Apache Neethi: Missing global alternative-output budget across policy computation paths
Weaknesses		CWE-400
References		https://lists.apache.org/thread/s6o6p5pvcbcsk54dlg6j699t5gxol28w

Projects

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MITRE

Status: PUBLISHED

Assigner: apache

Published: 2026-07-24T12:07:52.657Z

Updated: 2026-07-24T18:40:12.434Z

Reserved: 2026-07-24T07:26:50.294Z

Link: CVE-2026-66143

Vulnrichment

Updated: 2026-07-24T14:34:51.649Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-400

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