TI-2026-64981 Aliases CVE-2026-100843 GHSA-m8hq-fmc4-c3v2

MONAI before 1.6.0 Remote Code Execution via algo_from_pickle

HIGH 72CWE-502Published 2026-09-27 · Updated 2026-09-30

Key facts

Attack vector: Local
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00305 23rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed MONAI (Project-MONAI): 1.6.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Project-MONAI	MONAI	before 1.6.0	1.6.0	Patch available	CNA

MONAI VendorProject-MONAI Affected before 1.6.0 Fixed in 1.6.0 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:project-monai:monai::::::::	before 1.6.0	Vulnerable	Project-MONAI

cpe:2.3:a:project-monai:monai:*:*:*:*:*:*:*:* Versions before 1.6.0 Vulnerable ·Project-MONAI

Remediation

Fix · CNA MONAI (Project-MONAI) Fixed in 1.6.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-09-27
Project-MONAI MONAI 1.6.0
3 records Highest priority Priority HIGH 3 HIGH
Other records, highest priority first
- TI-2026-64983 MONAI before 1.6.0 Remote Code Execution via NumpyReaderPriority HIGH 72
- TI-2026-64982 MONAI before 1.6.0 OS Command Injection via dataset_name_or_idPriority HIGH 72
Show all 3 records →

Timeline

2026-10-02 Threatist record created from CVE-2026-100843
2026-10-03 Alias added: GHSA-m8hq-fmc4-c3v2

References

Exploit 1

GitHub Security Advisory (GHSA-qxq5-qhx6-94qw)

TI-2026-64984 MONAI before 1.5.2 Remote Code Execution via Pickle Deserialization CVSS 4.0HIGH 8.8
TI-2026-64983 MONAI before 1.6.0 Remote Code Execution via NumpyReader CVSS 4.0HIGH 8.5
TI-2026-64982 MONAI before 1.6.0 OS Command Injection via dataset_name_or_id CVSS 4.0HIGH 8.6
TI-2026-64978 MONAI through 1.6.0 Remote Code Execution via bundle configuration CVSS 4.0HIGH 8.5
TI-2026-64980 MONAI through 1.6.0 _get_fake_spatial_shape eval() Sandbox Bypass via Attribute Chains CVSS 4.0HIGH 7.3
TI-2026-17553 MONAI has Path Traversal (Zip Slip) in NGC Private Bundle Download CVSS 3.1MEDIUM 5.3

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences