CVE-2025-58757Public exploitNetwork attack vector

Arbitrary code execution via unsafe pickle deserialization

Published Sep 8, 2025 · Updated Sep 9, 2025

Deserialization of untrusted data in Project MONAI's MONAI 1.5.0 and earlier allows attackers to execute arbitrary code via crafted datasets. The pickle_operations function recursively passes bytes under keys ending in _transforms directly to pickle.loads() without restricting globals. Execution requires a user or application to process attacker-supplied serialized data, and the payload runs with that process's privileges.

CVSS severity8.8
High
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Deserialization of untrusted data in Project MONAI's MONAI 1.5.0 and earlier allows attackers to execute arbitrary code via crafted datasets. The pickle_operations function recursively passes bytes under keys ending in _transforms directly to pickle.loads() without restricting globals. Execution requires a user or application to process attacker-supplied serialized data, and the payload runs with that process's privileges.

The record

CVE
CVE-2025-58757
Published
Sep 8, 2025
Updated
Sep 9, 2025
Vendor
Project MONAI
Product
MONAI
Classifications
CWE-502, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=<= 1.5.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Project MONAI · MONAIversion=<= 1.5.0

Published CVSS scores

8.8GitHub CNACVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
T1204.002User Execution: Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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