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CVE-2026-66143— Apache Neethi: Missing global alternative-output budget across policy computation paths

Quick assessment

Affected
Apache Software Foundation Apache Neethi
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Software Foundation Apache Neethi是Apache Software Foundation基金会的消息队列中间件。 Apache Neethi 3.2.3之前版本存在资源管理错误漏洞，该漏洞源于通过特定构造的策略绕过最大规范化策略替代数限制，可能导致资源消耗引起拒绝服务攻击。

AI Predicted 5.3 Difficulty: Easy EPSS 0.51% · P42

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Neethi < 3.2.3 affected
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I. Basic Information for CVE-2026-66143

Vulnerability Information
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Vulnerability Title
Apache Neethi: Missing global alternative-output budget across policy computation paths
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Neethi 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Software Foundation Apache Neethi是Apache Software Foundation基金会的消息队列中间件。 Apache Neethi 3.2.3之前版本存在资源管理错误漏洞，该漏洞源于通过特定构造的策略绕过最大规范化策略替代数限制，可能导致资源消耗引起拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Neethi 0 ~ 3.2.3 -

II. Public POCs for CVE-2026-66143

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III. Intelligence Information for CVE-2026-66143

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Mailing List Discussions for CVE-2026-66143 (1)

Same Patch Batch · Apache Software Foundation · 2026-07-24 · 11 CVEs total

CVE-2026-49326 Apache HBase: Missing scanner instance owner check in thrift delegation service
CVE-2026-46452 Apache NimBLE: Mesh Proxy SAR reassembly unbounded append and unchecked failure
CVE-2026-45816 Apache NimBLE: NULL pointer dereference vulnerability in SMP LTK request
CVE-2026-45815 Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler
CVE-2026-45813 Apache NimBLE: Incorrect data validation in BASS add/modify source operation
CVE-2026-45812 Apache NimBLE: OOB Read via sizeof(pointer) in Legacy Advertising Report Handler
CVE-2026-45811 Apache NimBLE: Buffer overflow in socket HCI transport
CVE-2026-66144 Apache Neethi: Remote PolicyReference fetch lacks resource bounds
CVE-2026-66142 Apache Neethi: Uncontrolled recursion in policy processing
CVE-2026-63317 Apache OpenNLP: Arbitrary Class Instantiation in GeneratorFactory via Feature Descriptor X

IV. Related Vulnerabilities

Same product: Apache Neethi
Same vendor: Apache Software Foundation
Same weakness: CWE-400

V. Comments for CVE-2026-66143

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