CVE-2026-84202

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Source
https://cve.org/CVERecord?id=CVE-2026-84202
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-84202.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-84202
Published
2026-09-01T15:18:57.372Z
Modified
2026-09-02T03:47:04.404476132Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
ModelScope through 1.40.0 Unsafe YAML Deserialization in Model Config Loading
Details

ModelScope uses PyYAML's unsafe yaml.Loader to parse model configuration files, allowing arbitrary code execution through Python object construction tags. Attackers can craft malicious model repositories with poisoned configuration files that execute code when loaded by users.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84202.json",
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-502"
    ]
}
References

Affected packages

Git / github.com/modelscope/modelscope

Affected ranges

Type
GIT
Repo
https://github.com/modelscope/modelscope
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
e7b24ee97f22580cc6bd084134e868f962d16870
Database specific
Show details 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.40.0"
        }
    ]
}

Affected versions

v0.*
v0.1.1
v0.3.0
v0.3.1
v0.4.0
v1.*
v1.40.0
v1.7.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-84202.json"