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CVE-2026-100843— MONAI before 1.6.0 Remote Code Execution via algo_from_pickle

Quick assessment

Affected
Project-MONAI MONAI
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.

MONAI 1.6.0 之前的版本在 中的 函数存在远程代码执行漏洞。该漏洞是由于使用了不安全的 反序列化操作所导致。攻击者可以构造恶意的 pickle 文件,在文件被易受攻击的函数反序列化时,执行任意系统命令。

CVSS 7.8 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-100843

Vulnerability Information

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Vulnerability Title
MONAI before 1.6.0 Remote Code Execution via algo_from_pickle
Source: CVE Program / CVE List V5
Vulnerability Description
MONAI versions before 1.6.0 contain a remote code execution vulnerability in the algo_from_pickle() function due to unsafe pickle.loads() deserialization in monai/auto3dseg/utils.py. Attackers can craft malicious pickle files that execute arbitrary system commands when deserialized by the vulnerable function.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Project-MONAI MONAI 0 ~ 1.6.0 -

II. Public POCs for CVE-2026-100843

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III. Intelligence Information for CVE-2026-100843

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Vendor Advisories for CVE-2026-100843 (1)

Other References for CVE-2026-100843 (1)

Same Patch Batch · Project-MONAI · 2026-09-27 · 7 CVEs total

CVE-2026-100844 8.4 HIGH MONAI before 1.6.0 OS Command Injection via dataset_name_or_id
CVE-2026-100841 7.8 HIGH MONAI through 1.6.0 PersistentDataset Remote Code Execution via Pickle Cache
CVE-2026-100845 7.8 HIGH MONAI before 1.6.0 Remote Code Execution via NumpyReader
CVE-2026-100840 7.8 HIGH MONAI through 1.6.0 Remote Code Execution via bundle configuration
CVE-2026-100846 7.6 HIGH MONAI before 1.5.2 Remote Code Execution via Pickle Deserialization
CVE-2026-100842 7.0 HIGH MONAI through 1.6.0 _get_fake_spatial_shape eval() Sandbox Bypass via Attribute Chains

IV. Related Vulnerabilities

V. Comments for CVE-2026-100843

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