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CVE-2026-66142— Apache Neethi: Uncontrolled recursion in policy processing

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，该漏洞源于解析缺少策略ID或深度嵌套结构的策略时存在不受控制的递归，可能导致解析策略时因运行时内存耗尽而拒绝服务。

AI Predicted 5.3 Difficulty: Easy EPSS 0.74% · P53

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-2026-66142

Vulnerability Information
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Vulnerability Title
Apache Neethi: Uncontrolled recursion in policy processing
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Neethi is vulnerable to uncontrolled recursion when parsing policies that lack policy Ids or with deeply nested structures, which may lead to a denial of service attack when parsing policies due to runtime memory exhaustion. 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，该漏洞源于解析缺少策略ID或深度嵌套结构的策略时存在不受控制的递归，可能导致解析策略时因运行时内存耗尽而拒绝服务。
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-2026-66142

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III. Intelligence Information for CVE-2026-66142

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Mailing List Discussions for CVE-2026-66142 (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-2026-66143 Apache Neethi: Missing global alternative-output budget across policy computation paths
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-2026-66142

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