picklescan up to 0.0.27 deserialization

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.77+

Summaryinfo

A vulnerability was found in picklescan up to 0.0.27. It has been classified as critical. The impacted element is the function torch.fx.experimental.symbolic_shapes.ShapeEnv.evaluate_guards_expression. Performing a manipulation results in deserialization. This vulnerability is known as CVE-2025-71356. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in picklescan up to 0.0.27. This affects the function torch.fx.experimental.symbolic_shapes.ShapeEnv.evaluate_guards_expression. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

picklescan before 0.0.28 fails to detect malicious torch.fx.experimental.symbolic_shapes.ShapeEnv.evaluate_guards_expression function calls in pickle files. Attackers can embed undetected code in pickle files that executes remote code when loaded by victims.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-71356 since 06/20/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 0.0.28 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-210415). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: picklescan 0.0.28

Timelineinfo

06/20/2026 CVE reserved
07/04/2026 +14 days Advisory disclosed
07/04/2026 +0 days VulDB entry created
07/04/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-f4x7-rfwp-v3xw
Status: Confirmed

CVE: CVE-2025-71356 (🔒)
GCVE (CVE): GCVE-0-2025-71356
GCVE (VulDB): GCVE-100-376185
EUVD: 🔒

Entryinfo

Created: 07/04/2026 05:46
Updated: 07/04/2026 07:17
Changes: 07/04/2026 05:46 (75), 07/04/2026 07:17 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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