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CVE-2026-95897

Dask Loader core.py from_npy_stack deserialization

CVSS 4.0 5.1 MEDIUMCVSS 3.1 5.5 MEDIUMCVSS 3.0 5.5 MEDIUMCVSS 2.0 6.5 Check source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-95897

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-95897

Published

Dask

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "n/a",
                    "product": "Dask",
                    "versions": [
                        {
                            "version": "2026.0",
                            "status": "affected"
                        },
                        {
                            "version": "2026.1",
                            "status": "affected"
                        },
                        {
                            "version": "2026.2",
                            "status": "affected"
                        },
                        {
                            "version": "2026.3",
                            "status": "affected"
                        },
                        {
                            "version": "2026.4",
                            "status": "affected"
                        },
                        {
                            "version": "2026.5",
                            "status": "affected"
                        },
                        {
                            "version": "2026.6",
                            "status": "affected"
                        },
                        {
                            "version": "2026.7",
                            "status": "affected"
                        },
                        {
                            "version": "2026.8.0",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:dask:dask:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Loader"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON