{"id":"MAL-2026-375","title":"Malicious code in spellcheckerpy (PyPI)","summary":"Malicious code in spellcheckerpy (PyPI)","severity":"critical","exploited":true,"vendor":"spellcheckerpy","product":"spellcheckerpy","ecosystem":"pip","affected":["spellcheckerpy"],"published":"2026-01-20","updated":"2026-10-30","sourceUpdated":"2026-10-30T09:45:05.187760263Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/MAL-2026-375","references":[{"url":"https://helixguard.ai/blog/malicious-spellcheckers-2025-11-19"},{"url":"https://bad-packages.kam193.eu/pypi/package/spellcheckerpy"},{"url":"https://www.aikido.dev/blog/malicious-pypi-packages-spellcheckpy-and-spellcheckerpy-deliver-python-rat"}],"tags":["osv","pip","malware"],"ingestedAt":"2026-10-30T19:05:36.411Z","slug":"MAL-2026-375","body":"## Overview\n\n\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (79cc4c6495567fe7659e9e4bb5964727bf95cfc9f78d32209937d73457bd476b)\nPackages contain hidden code that is effectively run during importing or using the library, and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for the next code to execute.\n\nThe malicious code was in version 1.3.0, but the package itself was clearly uploaded with malclious intentions.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-11-spellcheckers\n\n\nReasons (based on the campaign):\n\n\n - obfuscation\n\n\n - Downloads and executes a remote malicious script.\n\n\n - The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.\n\n\n## Affected packages\n\n- `spellcheckerpy`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"abyssal","depthScore":70,"depthScoreParts":{"impact":52.3,"likelihood":0,"exploitation":18,"ransomware":0},"changes":[]}