{"schema":"threatline.record/2","record":{"id":"CVE-2026-112944","aliases":["GHSA-r825-w8mm-5pxw"],"summary":"launch-editor: Editor CLI flag misinterpretation causing arbitrary command execution for some editors","details":"### Summary\n\n`launch-editor` forwarded file paths directly to editors without sanitization. If a path resembles a CLI flag, editors like Vim may interpret it as a command, potentially causing unintended file overwrites or command execution.\n\n### Impact\n\n#### Direct `launch-editor` users\n\nOnly apps that match all of the following conditions are affected:\n\n- The attacker is able to create a file system entry (e.g. a file or directory) starting with `+` or `-` in the working directory\n- The user uses or the app specifies any of the following editors:\n  - Vim (including gVim)\n  - MacVim\n  - Emacs (including Emacsclient)\n  - Notepad++ (only if using a plugin exposing dangerous operations via plugin messages)\n- The first argument of `launchEditor` can start with `+` or `-` or the user is using WSL\n\n#### `launch-editor-middleware` users\n\nOnly apps that match the following conditions are affected:\n\n- The attacker is able to create a file system entry (e.g. a file or directory) starting with `+` or `-` in the working directory\n- The user uses or the app specifies any of the following editors:\n  - Vim (including gVim)\n  - MacVim\n  - Emacs (including Emacsclient)\n  - Notepad++ (only if using a plugin exposing dangerous operations via plugin messages)\n- launch-editor older than v2.2.0 is used, or the user is using WSL\n\n#### Vite users\n\nOnly apps that match the following conditions are affected:\n\n- The attacker is able to create a file system entry (e.g. a file or directory) starting with `+` or `-` in the working directory\n- The user uses or the app specifies any of the following editors:\n  - Vim (including gVim)\n  - MacVim\n  - Emacs (including Emacsclient)\n  - Notepad++ (only if using a plugin exposing dangerous operations via plugin messages)\n- The user is using WSL\n\n### Details\n\n`launchEditor(file)` function passes the file name as-is to the editor if the file with that file name exists. If the file name starts with `-` (also `+` for Vim), the editor treats them as flags rather than positional arguments. For example, Vim treats arguments starting with `+` as an Ex command. As a result, an existing relative directory such as:\n```\n+call writefile([\"SAFE_MARKER\"],\"LAUNCH_EDITOR_MARKER\")|qa!\n```\nis not treated as a filename when passed to Vim. Vim executes the embedded Ex command.\n\nThe following editor has a potentially destructive operation exposed to the CLI arguments:\n- Vim (including gVim)\n- MacVim\n- Emacs (including Emacsclient)\n- Notepad++ (only if using a plugin exposing dangerous operations via plugin messages)\n\n`launch-editor-middleware` v2.2.0+ converts the passed file path to an absolute path so those are not affected as long as the user is not using WSL. For WSL, `launch-editor` converts the paths to relative paths internally, so those are still affected.\n\nVite 2.0.0+ uses `launch-editor-middleware` v2.2.0+ so the WSL users are only affected.","categories":["Libraries & packages"],"product":"launch-editor","vendor":"vitejs","ecosystem":"npm","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-r825-w8mm-5pxw","source_modified_at":"2026-10-20T19:51:54Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"launch-editor"},"range":"<= 2.14.1"},{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-r825-w8mm-5pxw","source_modified_at":"2026-10-20T19:51:54Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"vite"},"range":">= 8.3.0, <= 8.3.2"},{"source":"GitHub Advisory 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List","url":"https://github.com/vitejs/launch-editor/pull/156","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/vitejs/launch-editor/commit/f6e6701bb1f16f2dd242b321374f1b6cca6eb6d4","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/vitejs/launch-editor/releases/tag/v2.14.2","tags":["x_refsource_MISC"]},{"url":"https://github.com/advisories/GHSA-r825-w8mm-5pxw","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T15:22:50.878612Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-20T20:00:04.608907013Z","content_hash":"55a356b37dab15aad3b1e705f4bd4e3f8b506e935b64e215732beec33ef75872"}}