{"id":"CVE-2026-122134","kind":"vulnerability","aliases":["CVE-2026-122134"],"related":[],"title":"Mistral Vibe: opening a crafted repository runs attacker commands before trust prompt","description":"Mistral Vibe before 2.25.7 contains a remote code execution vulnerability that allows attackers to run commands by configuring malicious Git clean or process filter drivers in a repository. When a user opens a crafted repository, ProjectContextProvider._fetch_git_status runs git status at startup, invoking the filters and executing commands with user privileges before any trust prompt.","summary":"Mistral Vibe, a coding agent, runs git status at startup, which executes malicious Git clean or process filter drivers in a repository. An attacker who gets a user to open a crafted repository runs commands with that user's privileges before any trust prompt appears.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-coding-agent","ai-tooling","git","mistral-vibe"],"not_affected_if":["trusted-repos-only","version-2.25.7-or-later"],"how_to_check":"- Check the installed Mistral Vibe version; versions before `2.25.7` are listed as affected.\n- Confirm which version is installed with the tool's own version command; the sources do not give the exact command.","fix":"- Mistral Vibe: move to `2.25.7` or later.","status":"open","published_at":"2026-11-04T21:18:09+00:00","first_seen_at":"2026-11-04T21:49:19+00:00","triaged_at":"2026-11-04T21:50:35+00:00","updated_at":"2026-11-04T21:50:35+00:00","category":"ai-tooling","confidence":0.75,"triage":{"at":"2026-11-04T21:50:35Z","model":"claude-haiku-5-5","output":{"fix":"- Mistral Vibe: move to `2.25.7` or later.","reach":"local","title":"Mistral Vibe: opening a crafted repository runs attacker commands before trust prompt","impact":"high","summary":"Mistral Vibe, a coding agent, runs git status at startup, which executes malicious Git clean or process filter drivers in a repository. An attacker who gets a user to open a crafted repository runs commands with that user's privileges before any trust prompt appears.","audience":"developers","category":"ai-tooling","nicknames":[],"who_cares":["mistral-vibe","ai-coding-agent","git"],"confidence":0.75,"fix_status":"available","needs_auth":"no","worst_case":"Commands run with the user's privileges on their machine.","analyst_note":"Confirm from the patch and release notes (github.com links) whether any setting or non-default configuration is required, and check the vulnerability's status against the vulncheck advisory.","how_to_check":"- Check the installed Mistral Vibe version; versions before `2.25.7` are listed as affected.\n- Confirm which version is installed with the tool's own version command; the sources do not give the exact command.","plain_action":"","needs_analyst":true,"not_affected_if":["version-2.25.7-or-later","trusted-repos-only"],"who_is_affected":"Developers who open untrusted or third-party Git repositories with Mistral Vibe before version 2.25.7 are exposed, because the git status call at startup triggers the filter drivers. Teams that only open their own trusted repositories are at lower risk. The sources do not say whether any non-default setting is needed.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000716,"input_tokens":4199,"output_tokens":593,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-122134':15A,18A '-2026':14A,17A '2.25.7':78C 'agent':22B,34B 'ai':20B,24B 'ai-coding-ag':19B 'ai-tool':23B 'allow':86C 'appear':74B 'attack':8A,53B,87C 'clean':44B,95C 'code':21B,33B,82C 'command':9A,64B,90C,121C 'configur':92C 'contain':79C 'craft':5A,61B,108C 'cve':13A,16A 'driver':48B,99C 'execut':41B,83C,120C 'filter':47B,98C,118C 'get':55B 'git':26B,36B,43B,94C,112C 'invok':116C 'malici':42B,93C 'mistral':1A,28B,30B,75C 'mistral-vib':27B 'open':3A,59B,106C 'privileg':69B,124C 'process':46B,97C 'projectcontextprovider._fetch_git_status':110C 'prompt':12A,73B,128C 'remot':81C 'repositori':6A,51B,62B,102C,109C 'run':7A,35B,63B,89C,111C 'startup':39B,115C 'status':37B,113C 'tool':25B 'trust':11A,72B,127C 'user':57B,67B,105C,123C 'vibe':2A,29B,31B,76C 'vulner':84C","nicknames":[],"mitigations":[],"who_affected":"Developers who open untrusted or third-party Git repositories with Mistral Vibe before version 2.25.7 are exposed, because the git status call at startup triggers the filter drivers. Teams that only open their own trusted repositories are at lower risk. The sources do not say whether any non-default setting is needed.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["aicodingagent","aitooling","git","high","mistralvibe"],"campaign_type":null,"first_public_at":"2026-11-04T21:18:09+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-122134","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122134","severity":null,"published_at":"2026-11-04T21:18:09+00:00","modified_at":"2026-11-04T21:18:09+00:00","first_seen_at":"2026-11-04T21:49:19+00:00","fetched_at":"2026-11-04T21:49:19+00:00","note":null}],"documents":[{"id":70663,"url":"https://github.com/mistralai/mistral-vibe/commit/4a96003186b166d55b9f06895c45bb136eef61cd","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":70664,"url":"https://github.com/mistralai/mistral-vibe/releases/tag/v2.25.7","title":"Release notes: github.com","kind":"release","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Release notes: github.com"},{"id":70665,"url":"https://www.vulncheck.com/advisories/mistral-vibe-before-2.25.7-code-execution-via-git-filter-drivers","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}