CVE-2026-95897

Dask Loader core.py from_npy_stack deserialization

MEDIUM
5.5
CVSS Score
Published: September 23, 2026 at 12:30 AM UTC
Updated: September 23, 2026 at 03:17 PM UTC
1 product affected across 1 vendorDask

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/408543
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/408543/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-95897
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/953281
ExploitIssue Tracking
Source: cverecord
https://github.com/dask/dask/issues/12578
Product
Source: cverecord
https://github.com/dask/dask/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-502CWE-20

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