piskvorky gensim up to 4.4.0 Model Loader gensim/utils.py load fname deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k1.68+

Summaryinfo

A vulnerability was found in piskvorky gensim up to 4.4.0 and classified as problematic. This affects the function Load of the file gensim/utils.py of the component Model Loader. Such manipulation of the argument fname leads to deserialization. This vulnerability is referenced as CVE-2026-94091. It is possible to launch the attack remotely. Furthermore, an exploit is available. Maintainer closed #3663 same-day with no comment, PR, or fix; repo's last push (2025-11-01) predates the report, so the unsafe pickle.load in SaveLoad.load remains unguarded at develop HEAD.

Detailsinfo

A vulnerability was found in piskvorky gensim up to 4.4.0 and classified as problematic. Affected by this issue is the function load of the file gensim/utils.py of the component Model Loader. The manipulation of the argument fname with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-94091. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. Maintainer closed #3663 same-day with no comment, PR, or fix; repo's last push (2025-11-01) predates the report, so the unsafe pickle.load in SaveLoad.load remains unguarded at develop HEAD.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/20/2026 Advisory disclosed
09/20/2026 +0 days VulDB entry created
09/20/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 3663
Status: Not defined

CVE: CVE-2026-94091 (🔒)
GCVE (CVE): GCVE-0-2026-94091
GCVE (VulDB): GCVE-100-408020
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/20/2026 10:36
Changes: 09/20/2026 10:36 (59)
Complete: 🔍
Submitter: meraklbz
Cache ID: 216::103

Submitinfo

Accepted

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