{"answers":{"affected":"1 open source package ship an affected version, including isb.","exploited":"There is no known exploitation of MAL-2026-1090 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-2026-1090 is a malicious package in isb, published on 28 Feb 2026."},"fix_prompt":"MAL-2026-1090 is a malicious package: isb (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-2026-1090/ (Markdown: https://insights.sbomify.com/MAL-2026-1090/index.md)","id":"MAL-2026-1090","markdown":"https://insights.sbomify.com/MAL-2026-1090/index.md","name":"MAL-2026-1090","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"Starting the module initiates an infostealer with a Telegram bot and RAT-like functionality and hardcoded credentials. The code automatically adds itself to autostart, collects some credentials, and also awaits further commands. The code is capable of exfiltrating browser data, files, taking screenshots, recording audio and modifying some system configurations.\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\nCampaign: 2026-02-isb\n\nReasons (based on the campaign):\n\n - infostealer\n\n - exfiltration-browser-data\n\n - exfiltration-credentials\n\n - peristence-autorun\n\n - rat\n\n - spyware-like\n\n - files-exfiltration\n\n - iritating-computer-activity","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 isb (PyPI)","id":"MAL-2026-1090","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":"isb","purl":"pkg:pypi/isb","source":"MAL-2026-1090"}],"products":null,"published":"2026-02-28","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-2026-1090/"}