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CVE-2026-94091

piskvorky gensim Model Loader utils.py load deserialization

CVSS 4.0 5.1 MEDIUMCVSS 3.1 5.5 MEDIUMCVSS 3.0 5.5 MEDIUMCVSS 2.0 6.5 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-94091

Published

A weakness has been identified in piskvorky gensim up to 4.4.0. The impacted element is the function Load of the file gensim/utils.py of the component Model Loader. This manipulation of the argument fname causes deserialization. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. 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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-94091

Published

gensim

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "piskvorky",
                    "product": "gensim",
                    "versions": [
                        {
                            "version": "4.0",
                            "status": "affected"
                        },
                        {
                            "version": "4.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.4.0",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:piskvorky:gensim:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Model Loader"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON