{"items":[{"id":"NVI-00008472","kind":"supply_chain_event","title":"Malicious code in spellcheckers (PyPI)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v8rv-jh9g-m67f"],"plain_summary":"GitHub lists this malware advisory for spellcheckers, spellcheckers, spellcheckers, spellcheckers, spellcheckers. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3f58173bea4ca088b95e7d89b99f5820","url":"https://github.com/advisories/GHSA-v8rv-jh9g-m67f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v8rv-jh9g-m67f","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:19.280Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"technology":"spellcheckers","known_exclusions":[],"conditions_summary":"## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim's host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\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\nCredit: OpenSSF (source)","public_affected_ranges":["> 0"]},{"certainty":"source_listed","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"technology":"spellcheckers","known_exclusions":[],"conditions_summary":"## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim's host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\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\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.4.0"]},{"certainty":"source_listed","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"technology":"spellcheckers","known_exclusions":[],"conditions_summary":"## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim's host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\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\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.3.0"]},{"certainty":"source_listed","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"technology":"spellcheckers","known_exclusions":[],"conditions_summary":"## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim's host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\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\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.2.0"]},{"certainty":"source_listed","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"technology":"spellcheckers","known_exclusions":[],"conditions_summary":"## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim's host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\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\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.1.1"]},{"certainty":"source_listed","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"technology":"spellcheckers","known_exclusions":[],"conditions_summary":"## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim's host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\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\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.1.0"]},{"certainty":"source_listed","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"technology":"spellcheckers","known_exclusions":[],"conditions_summary":"## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim's host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\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\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.0"]},{"certainty":"source_listed","source_ids":["sr-3f58173bea4ca088b95e7d89b99f5820"],"technology":"spellcheckers","known_exclusions":[],"conditions_summary":"## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim's host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\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\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.5.0"]}],"null_published_at":"2026-10-31T22:13:22.848Z","source_updated_at":"2026-10-30T12:32:33.000Z","source_disclosed_at":"2026-07-21T17:22:45.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:56:19.280Z"}],"next_cursor":null,"snapshot_revision":"42594"}