CVE-2026-23528 describes a cross-site scripting (XSS) vulnerability in Dask distributed versions prior to 2026.1.0, specifically when used in conjunction with Jupyter Lab and jupyter-server-proxy. An attacker can craft a malicious URL that, when clicked by a user, executes code within the default Jupyter Python kernel via an error page in the Dask dashboard. This vulnerability has a CVSS score of 5.3 (MEDIUM), indicating a low attack complexity and requiring user interaction (UI:P). The potential impact includes limited confidentiality and integrity compromise (VC:L, VI:L). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2026.1.0CPE matchmatch criteria | cpe:2.3:a:anaconda:dask:*:*:*:*:*:python:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.