CVE-2026-10705: dask · Resource Consumption
Affects daskSource CVE Database V5
Not known to be exploited · CVSS 2.3 Low.
Data as of 26 Oct 2026, 09:08 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:XExploitation evidence
Disclosed: evidence found.
CVE published 3 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| dask | Affected
| Fixed in– |
PyPIdaskpkg:pypi/daskOther threats | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:dask:dask:*:*:*:*:*:*:*:*
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Since a pull request to fix the issue is pending acceptance, users should monitor official dask repositories and advisories for updates. Until a fix is released, consider limiting exposure of affected dask services to untrusted networks if feasible.
Description
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 be carried out remotely. A high degree of complexity is needed for the attack. The exploitation is known to be difficult. The pull request to fix this issue awaits acceptance.
References
- vuldb.com/vuln/368018 (opens in a new tab)
- vuldb.com/vuln/368018/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-10705 (opens in a new tab)
- vuldb.com/submit/831411 (opens in a new tab)
- github.com/dask/dask/issues/12403 (opens in a new tab)
- github.com/dask/dask/pull/12401 (opens in a new tab)
- github.com/dask/dask/ (opens in a new tab)