CVE-2026-95897CWE-20CWE-502insecure-deserialization

CVE-2026-95897

Medium · published September 23, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
8.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
5.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00190 · 8.2th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-502 · Deserialization of Untrusted Data
Published
2026-09-23T05:16Z
References (6)
EPSS history
Timeline
  • 24 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 23 SEP 00:30Z
    Dask Loader core.py from_npy_stack deserialization
    cvelistv5