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CVE-2026-10705— dask HLL hyperloglog.py nunique_approx resource consumption

Quick assessment

Affected
n/a dask
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dask是Dask开源的一个具有任务调度的并行计算库。 dask 3.0及之前版本存在安全漏洞，该漏洞源于文件dask/dataframe/hyperloglog.py中组件HLL Handler的函数nunique_approx，可能导致资源消耗。

CVSS 3.1 · Low EPSS 0.29% · P19

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a dask 3.0 affected
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I. Basic Information for CVE-2026-10705

Vulnerability Information
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Vulnerability Title
dask HLL hyperloglog.py nunique_approx resource consumption
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Dask 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dask是Dask开源的一个具有任务调度的并行计算库。 dask 3.0及之前版本存在安全漏洞，该漏洞源于文件dask/dataframe/hyperloglog.py中组件HLL Handler的函数nunique_approx，可能导致资源消耗。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- dask 3.0 cpe:2.3:a:dask:dask:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10705

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III. Intelligence Information for CVE-2026-10705

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Patches & Fixes for CVE-2026-10705 (1)

Other References for CVE-2026-10705 (2)

Same Patch Batch · n/a · 2026-06-03 · 32 CVEs total

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CVE-2026-39107 Moonshot AI Kimi AI 安全漏洞
CVE-2026-36606 Mercusys AC12G 安全漏洞
CVE-2026-36605 Mercusys AC12G 安全漏洞
CVE-2026-36604 Mercusys AC12G 安全漏洞
CVE-2026-36616 Mercusys AC12G 安全漏洞
CVE-2026-36615 Mercusys AC12G 安全漏洞
CVE-2026-36608 Mercusys AC12G 安全漏洞
CVE-2026-36612 Mercusys AC12G 安全漏洞
CVE-2026-36610 Mercusys AC12G 安全漏洞
CVE-2026-36609 Mercusys AC12G 安全漏洞
CVE-2026-36603 Mercusys AC12G 安全漏洞
CVE-2026-36607 Mercusys AC12G 安全漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: dask
Same vendor: n/a
Same weakness: CWE-400

V. Comments for CVE-2026-10705

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