{"answers":{"affected":"1 open source package ship an affected version, including xfoofoox.","exploited":"There is no known exploitation of MAL-2026-5340 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-2026-5340 is a malicious package in xfoofoox, published on 8 Jun 2026."},"fix_prompt":"MAL-2026-5340 is a malicious package: xfoofoox (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-2026-5340/ (Markdown: https://insights.sbomify.com/MAL-2026-5340/index.md)","id":"MAL-2026-5340","markdown":"https://insights.sbomify.com/MAL-2026-5340/index.md","name":"MAL-2026-5340","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"During import, the package starts a reverse shell\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\nCampaign: 2026-06-anthropy\n\nReasons (based on the campaign):\n\n - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.","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 xfoofoox (PyPI)","id":"MAL-2026-5340","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":"xfoofoox","purl":"pkg:pypi/xfoofoox","source":"MAL-2026-5340"}],"products":null,"published":"2026-06-08","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-2026-5340/"}