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CVE-2026-95897— Dask Loader core.py from_npy_stack deserialization

Quick assessment

Affected
n/a Dask
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.

在 Dask 2026.8.0 之前的版本中发现了一个安全漏洞。该漏洞影响组件 Loader 中 dask/array/core.py 文件的 from_npy_stack 函数。此类操作会导致反序列化漏洞。攻击者可远程发起攻击。该漏洞的利用方法已公开，可能被恶意利用。项目方已通过问题报告早期获知此问题，但至今尚未作出回应。

CVSS 5.5 · Medium EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 9

VendorProduct Version RangeStatus
n/a Dask 2026.0 affected
2026.1 affected
2026.2 affected
2026.3 affected
2026.4 affected
2026.5 affected
2026.6 affected
2026.7 affected
… +1 more rows
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I. Basic Information for CVE-2026-95897

Vulnerability Information
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Vulnerability Title
Dask Loader core.py from_npy_stack deserialization
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Dask up to 2026.8.0. This affects the function from_npy_stack of the file dask/array/core.py of the component Loader. Such manipulation leads to deserialization. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Dask 2026.0 cpe:2.3:a:dask:dask:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-95897

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III. Intelligence Information for CVE-2026-95897

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Other References for CVE-2026-95897 (2)

Same Patch Batch · n/a · 2026-09-23 · 9 CVEs total

CVE-2026-6668 7.5 HIGH Integer overflow causes an infinite loop in packet buffer growth in PgBouncer
CVE-2026-19888 7.5 HIGH NULL pointer dereference in SCRAM client-final-message parsing in PgBouncer
CVE-2026-79304 6.5 MEDIUM CyberPanel 1.9.1 路径遍历漏洞
CVE-2026-79306 6.5 MEDIUM CyberPanel v1.9.1 文件管理器路径遍历漏洞
CVE-2026-6669 5.9 MEDIUM Unbounded SCRAM iteration count causes CPU exhaustion in PgBouncer
CVE-2026-96739 4.3 MEDIUM SEMCMS KindEditor Upload upload_json.php cross site scripting
CVE-2026-79310 web.py 0.76 服务端模板注入漏洞
CVE-2025-63564 Moodle Socialwall 3.0-3.3 SQL注入漏洞

IV. Related Vulnerabilities

Same product: Dask
Same vendor: n/a
Same weakness: CWE-502