{"id":"MAL-2026-18772","summary":"Malicious code in parseyaml (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (21f0c643e1ed1b11c56bfdd5f7567b2c0172924c227206b8ab9e4210918c6ee3)\nIn this campaign, remote code is executed via a dependency pretending to be a YAML loader but embedding a special loader executing code from a provided file. During analysis, the code was just a stub.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-11-parseyaml\n\n\nReasons (based on the campaign):\n\n\n - The malicious code is intentionally included in a dependency of the package\n\n\n - Downloads and executes a remote malicious script.\n","modified":"2026-11-08T22:45:03.359292162Z","published":"2026-11-08T21:45:25Z","database_specific":{"malicious-packages-origins":[{"source":"kam193","versions":["1.2.0"],"id":"pypi/2026-11-parseyaml/parseyaml","import_time":"2026-11-08T22:36:34.682518859Z","modified_time":"2026-11-08T21:45:25.933688Z","sha256":"21f0c643e1ed1b11c56bfdd5f7567b2c0172924c227206b8ab9e4210918c6ee3"}],"iocs":{"urls":["https://plainraw.com/raw/99b69bda4246"]}},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/parseyaml"}],"affected":[{"package":{"name":"parseyaml","ecosystem":"PyPI","purl":"pkg:pypi/parseyaml"},"versions":["1.2.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/parseyaml/MAL-2026-18772.json"}}],"schema_version":"1.9.2","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}