Resource exhaustion in Dask

CVE-2026-10705

A flaw has been found in dask up to 3.0. Affected by this issue is the function nunique_approx of the file dask/dataframe/hyperloglog.py of the component HLL Handler. This manipulation causes resource consumption. The attack is possible to…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

  • N/a Dask — versions 3.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-10705?
CVE-2026-10705 is a low-severity vulnerability in Dask, classified under Uncontrolled Resource Consumption. CVSS score: 3.1/10. Published 2026-06-03.
How severe is CVE-2026-10705?
Low severity. CVSS v3 base score is 3.1 out of 10.