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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.

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

CVSS 5.5 · Medium
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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)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-95897

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