{"answers":{"affected":"1 open source package ship an affected version, including test-py-conn.","exploited":"There is no known exploitation of MAL-2026-3356 in the wild and no public exploit code.","fix":"Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.","what":"MAL-2026-3356 is a malicious package in test-py-conn, published on 6 May 2026."},"fix_prompt":"MAL-2026-3356 is a malicious package: test-py-conn (PyPI). Every version was published to cause harm.\n\nTask:\n1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.\n2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.\n3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.\n4. If the package is not used anywhere, say so and change nothing.\n\nReference: https://insights.sbomify.com/MAL-2026-3356/ (Markdown: https://insights.sbomify.com/MAL-2026-3356/index.md)","id":"MAL-2026-3356","markdown":"https://insights.sbomify.com/MAL-2026-3356/index.md","name":"MAL-2026-3356","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"The code automatically starts a worker designed to survive the exit of the main process. The worker load code from a PYC file which then connects to pre-defined C2 server and awaits commands to execute.\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\nCampaign: 2026-05-test-py-conn\n\nReasons (based on the campaign):\n\n - The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.\n\n - rat","ecosystems":["PyPI"],"exploits":{"exploitdb":null,"first_seen":null,"github_poc":null,"max_poc_stars":null,"metasploit":null,"nuclei":null,"refs":[],"tier":null},"has_fix":false,"headline":"Malicious code in test-py-conn (PyPI)","id":"MAL-2026-3356","indexable":true,"kev":null,"kind":"malicious","links":{"ecosystem":"PyPI","product":null,"products":[],"type":null,"year":"2026"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"PyPI","fixed":[],"introduced":[],"last_affected":[],"package":"test-py-conn","purl":"pkg:pypi/test-py-conn","source":"MAL-2026-3356"}],"products":null,"published":"2026-05-06","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"OpenSSF Malicious Packages","prefix":"MAL"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":null,"updated":null,"vendors":null},"summary":null,"url":"https://insights.sbomify.com/MAL-2026-3356/"}