CVE-2026-95897 Details
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.
A remote code execution vulnerability has been identified in Dask versions through 2026.8.0. The issue arises in the Loader component, specifically within the 'from_npy_stack' function in 'dask/array/core.py'. This vulnerability allows for arbitrary code execution on Dask workers that process a manipulated '.npy' stack 'info' metadata file, due to the use of 'pickle.load' for deserialization without any safeguards. The vulnerability has been publicly disclosed and exploited.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 23, 2026CISA-ADP
Assessed Sep 23, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/dask/dask/ | [email protected] | Vendor |
| https://github.com/dask/dask/issues/12578 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://vuldb.com/cve/CVE-2026-95897 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/953281 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/408543 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/408543/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | [email protected] |
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Dask | <= 2026.8.0 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 23, 2026 | CVE Modified | CISA-ADP |
| Sep 23, 2026 | New CVE Received | [email protected] |