{"items":[{"id":"NVI-00010998","kind":"supply_chain_event","title":"Malicious code in fabric-asset-pipeline (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2h5p-2j55-g9r4"],"plain_summary":"GitHub lists this malware advisory for fabric-asset-pipeline, fabric-asset-pipeline. 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-88c5f77e8270a5e90091b929edec42da"],"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-88c5f77e8270a5e90091b929edec42da","url":"https://github.com/advisories/GHSA-2h5p-2j55-g9r4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2h5p-2j55-g9r4","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:24.290Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-88c5f77e8270a5e90091b929edec42da"],"technology":"fabric-asset-pipeline","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (bb92787d766d5bfa0c384cc04909689215fa0d3e869630422caa8bedd303038a)\nfabric-asset-pipeline@1.0.0 declares a postinstall hook that runs index.js on npm install. index.js is heavily obfuscated (obfuscator.io-style rotated string array plus base64+RC4 decoding of identifiers and URLs, with newline/regex anti-formatting hooks) and implements a Minecraft credential stealer: functions stealLauncherAccounts(), stealAltLaunchers(), and readSessionDump() read account credential stores from the official Minecraft launcher (launcher_accounts.json / launcher_profiles.json) as well as Prism/MultiMC, TLauncher, Modrinth, PolyMC, and GDLauncher, plus a session dump from the OS temp directory. Extracted account names, access tokens, and refresh tokens are POSTed via https.request to a hardcoded webhook whose URL is RC4-decoded at runtime. A companion sendInfo() call ships os.hostname(), os.userInfo().username, os.platform()/os.release(), and the recovered Minecraft username to the same endpoint. None of this behavior is part of the package's advertised 'asset loader bridge' purpose, and the obfuscation deliberately conceals both the exfiltration functions and the destinat","public_affected_ranges":["= 1.0.1"]},{"certainty":"source_listed","source_ids":["sr-88c5f77e8270a5e90091b929edec42da"],"technology":"fabric-asset-pipeline","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (bb92787d766d5bfa0c384cc04909689215fa0d3e869630422caa8bedd303038a)\nfabric-asset-pipeline@1.0.0 declares a postinstall hook that runs index.js on npm install. index.js is heavily obfuscated (obfuscator.io-style rotated string array plus base64+RC4 decoding of identifiers and URLs, with newline/regex anti-formatting hooks) and implements a Minecraft credential stealer: functions stealLauncherAccounts(), stealAltLaunchers(), and readSessionDump() read account credential stores from the official Minecraft launcher (launcher_accounts.json / launcher_profiles.json) as well as Prism/MultiMC, TLauncher, Modrinth, PolyMC, and GDLauncher, plus a session dump from the OS temp directory. Extracted account names, access tokens, and refresh tokens are POSTed via https.request to a hardcoded webhook whose URL is RC4-decoded at runtime. A companion sendInfo() call ships os.hostname(), os.userInfo().username, os.platform()/os.release(), and the recovered Minecraft username to the same endpoint. None of this behavior is part of the package's advertised 'asset loader bridge' purpose, and the obfuscation deliberately conceals both the exfiltration functions and the destinat","public_affected_ranges":["= 1.0.0"]}],"null_published_at":"2026-10-31T23:18:22.420Z","source_updated_at":"2026-10-01T06:31:28.000Z","source_disclosed_at":"2026-09-28T18:31:11.000Z","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":"2026-10-31T23:13:24.290Z"}],"next_cursor":null,"snapshot_revision":"42594"}