{"answers":{"affected":"1 open source package ship an affected version, including pyenvprep.","exploited":"There is no known exploitation of MAL-2026-3829 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-2026-3829 is a malicious package in pyenvprep, published on 18 May 2026."},"fix_prompt":"MAL-2026-3829 is a malicious package: pyenvprep (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-2026-3829/ (Markdown: https://insights.sbomify.com/MAL-2026-3829/index.md)","id":"MAL-2026-3829","markdown":"https://insights.sbomify.com/MAL-2026-3829/index.md","name":"MAL-2026-3829","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"Package contains code to silently execute a RAT-like agent, allowing the attacker to access the file system and execute arbitrary code.\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\nCampaign: 2026-05-venv-utils\n\nReasons (based on the campaign):\n\n - rat\n\n - typosquatting\n\n - The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.\n\n - obfuscation","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 pyenvprep (PyPI)","id":"MAL-2026-3829","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":"pyenvprep","purl":"pkg:pypi/pyenvprep","source":"MAL-2026-3829"}],"products":null,"published":"2026-05-18","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-2026-3829/"}