{"id":"CVE-2026-84202","aliases":["EUVD-2026-69289","GHSA-pq5m-26pg-cxxp","openSUSE-SU-2026:11736-1","openSUSE-SU-2026:11746-1"],"status":"published","title":"ModelScope through 1.40.0 Unsafe YAML Deserialization in Model Config Loading","description":"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.","severity":{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00682,"percentile":0.528,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2026-09-01T15:18:57Z","modified":"2026-10-28T02:30:42Z","fixes":[{"ecosystem":"openSUSE:Tumbleweed","package":"python-modelscope","fixed_in":["1.40.0-1.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"python-modelscope-hub","fixed_in":["0.4.2-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"python-modelscope","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.40.0-1.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"python-modelscope-hub","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.2-1.1"}]}]}],"products":[{"vendor":"modelscope","product":"modelscope"}],"references":[{"url":"https://github.com/modelscope/modelscope","tags":["product","package"]},{"url":"https://github.com/modelscope/modelscope/issues/1660","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/modelscope/modelscope/blob/v1.40.0/modelscope/models/audio/tts/voice.py","tags":["technical-description","article"]},{"url":"https://github.com/modelscope/modelscope/blob/v1.40.0/modelscope/models/multi_modal/mplug/configuration_mplug.py","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/modelscope-through-1.40.0-unsafe-yaml-deserialization-in-model-config-loading","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84202","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pq5m-26pg-cxxp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84202.json","tags":["advisory"]},{"url":"https://pypi.org/project/modelscope/","tags":["package"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-84202","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-84202","title":"ModelScope through 1.40.0 Unsafe YAML Deserialization in Model Config Loading","description":"ModelScope uses PyYAML's unsafe yaml.Loader to parse model configuration files, allowing arbitrary code execution through Python object construction tags. 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Attackers can craft malicious model repositories with poisoned configuration files that execute code when loaded by users.","status":"published","published":"2026-09-01T15:18:57.372Z","modified":"2026-10-28T02:30:42.147167046Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:45:18.482949Z"},{"id":"openSUSE-SU-2026:11736-1","title":"python313-modelscope-1.40.0-1.1 on GA media","description":"These are all security issues fixed in the python313-modelscope-1.40.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-09T00:00:00Z","modified":"2026-09-10T18:23:18.766905382Z","updated_at":"2026-11-02T16:58:39.516824Z"},{"id":"openSUSE-SU-2026:11746-1","title":"python313-modelscope-hub-0.4.2-1.1 on GA media","description":"These are all security issues fixed in the python313-modelscope-hub-0.4.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-10T00:00:00Z","modified":"2026-09-11T18:23:08.025136072Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}