CVE-2026-91864— Apache Neethi: Crafted WS-Policy documents bypass element/attribute limits causing memory exhaustion
一分钟漏洞结论
影响对象
Apache Software Foundation Apache Neethi
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service). Users are recommended to upgrade to version 3.2.4
影响版本矩阵 1
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Apache Software Foundation | Apache Neethi | < 3.2.4 |
affected |
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一、 漏洞 CVE-2026-91864 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Apache Neethi: Crafted WS-Policy documents bypass element/attribute limits causing memory exhaustion
来源: CVE Program / CVE List V5
Vulnerability Description
A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service).
Users are recommended to upgrade to version 3.2.4, which fixes this issue.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Apache Software Foundation | Apache Neethi | 0 ~ 3.2.4 | - |
|
二、漏洞 CVE-2026-91864 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-91864 邮件列表归档 (1)
同批安全公告 · Apache Software Foundation · 2026-09-21 · 共 10 条
| CVE-2026-94301 | 9.8 CRITICAL | Apache MINA: CVE-2026-47065 resolveProxyClass fix missing from 2.0.X and 2.1.X branches (2 |
| CVE-2026-47321 | 7.5 HIGH | Apache MINA 解压放大拒绝服务漏洞 |
| CVE-2026-91863 | Apache Neethi: Uncontrolled recursion while parsing crafted WS-Policy documents allows den | |
| CVE-2026-91865 | Apache Neethi: Crafted policy references cause exponential expansion during normalization | |
| CVE-2026-91866 | Apache Neethi: Crafted policies cause unbounded work during intersection leading to denial | |
| CVE-2026-91867 | Apache Neethi: Remote policy fetch lacks a total timeout, allowing a slow server to hang t | |
| CVE-2026-82355 | Apache Airflow: Session cookie silently overrides explicit Authorization bearer header, en | |
| CVE-2026-75158 | Apache Airflow: Assets events API returns asset events for every Dag with no per-Dag autho | |
| CVE-2026-86473 | Apache Airflow: Logout ignores a presented Authorization bearer token, leaving it revocabl |
IV. Related Vulnerabilities
Same product: Apache Neethi
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CVE-2026-91867
Apache Neethi: Remote policy fetch lacks a total timeout, al -
CVE-2026-91866
Apache Neethi: Crafted policies cause unbounded work during -
CVE-2026-91865
Apache Neethi: Crafted policy references cause exponential e -
CVE-2026-91863
Apache Neethi: Uncontrolled recursion while parsing crafted -
CVE-2026-66144
Apache Neethi 资源管理错误漏洞
Same vendor: Apache Software Foundation
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CVE-2026-70410
Apache Calcite Avatica: Unrestricted class initialization wh -
CVE-2026-94301
Apache MINA: CVE-2026-47065 resolveProxyClass fix missing fr -
CVE-2026-86473
Apache Airflow: Logout ignores a presented Authorization bea -
CVE-2026-75158
Apache Airflow: Assets events API returns asset events for e -
CVE-2026-82355
Apache Airflow: Session cookie silently overrides explicit A
V. Comments for CVE-2026-91864
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