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Python EUVDEUVD-2025-32708

| CVE-2025-61622 CRITICAL
Deserialization of Untrusted Data (CWE-502)
2025-10-01 security@apache.org GHSA-538v-3wq9-4h3r
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 13, 2026 - 18:18 euvd
EUVD-2025-32708
Analysis Generated
Mar 13, 2026 - 18:18 vuln.today
CVE Published
Oct 01, 2025 - 10:15 nvd
CRITICAL 9.8

DescriptionCVE.org

Deserialization of untrusted data in python in pyfory versions 0.12.0 through 0.12.2, or the legacy pyfury versions from 0.1.0 through 0.10.3: allows arbitrary code execution. An application is vulnerable if it reads pyfory serialized data from untrusted sources. An attacker can craft a data stream that selects pickle-fallback serializer during deserialization, leading to the execution of pickle.loads, which is vulnerable to remote code execution.

Users are recommended to upgrade to pyfory version 0.12.3 or later, which has removed pickle fallback serializer and thus fixes this issue.

AnalysisAI

Pickle deserialization RCE in pyfory 0.12.0-0.12.2 and pyfury 0.1.0-0.10.3.

Technical ContextAI

CWE-502.

RemediationAI

Update.

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EUVD-2025-32708 vulnerability details – vuln.today

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