{"id":"CVE-2026-112512","kind":"vulnerability","aliases":["CVE-2026-112512"],"related":[],"title":"macOS: path validation flaw lets an app bypass Gatekeeper checks","description":"A path handling issue was addressed with improved validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to bypass Gatekeeper checks.","summary":"A path handling flaw in macOS was fixed with better validation. A malicious app can bypass Gatekeeper checks, which normally block unsigned or untrusted software from running.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["endpoints","infrastructure","mac-fleets","macos"],"not_affected_if":["already-patched-macos"],"how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed builds listed in the fix field.\n- unknown","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia), or `26.7.2` (Tahoe) or later.","status":"open","published_at":"2026-10-26T21:17:42+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","triaged_at":"2026-10-26T21:29:35+00:00","updated_at":"2026-10-26T21:29:35+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:29:35Z","model":"claude-haiku-5-5","output":{"fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia), or `26.7.2` (Tahoe) or later.","reach":"local","title":"macOS: path validation flaw lets an app bypass Gatekeeper checks","impact":"medium","summary":"A path handling flaw in macOS was fixed with better validation. A malicious app can bypass Gatekeeper checks, which normally block unsigned or untrusted software from running.","category":"infrastructure","nicknames":[],"who_cares":["macos","mac-fleets","endpoints"],"confidence":0.5,"needs_auth":"unknown","worst_case":"A malicious app runs without Gatekeeper blocking it.","analyst_note":"Check Apple's security notes for the CVE to confirm the exploitation path, user interaction, and whether the bypass allows code execution.","how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed builds listed in the fix field.\n- unknown","needs_analyst":true,"not_affected_if":["already-patched-macos"],"who_is_affected":"Any Mac running an unpatched macOS release is potentially affected, since the flaw sits in the operating system's Gatekeeper path checks. Sources do not say whether managed or enterprise configurations change exposure. unknown for any narrower condition.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000579,"input_tokens":3274,"output_tokens":503,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112512':13A,16A '-2026':12A,15A '15.8.2':70C '26.7.2':73C '27.2':67C 'abl':78C 'address':55C 'app':7A,36B,75C 'better':32B 'block':43B 'bypass':8A,38B,80C 'check':10A,40B,82C 'cve':11A,14A 'endpoint':17B 'fix':30B,62C 'flaw':4A,26B 'fleet':21B 'gate':66C 'gatekeep':9A,39B,81C 'golden':65C 'handl':25B,52C 'improv':57C 'infrastructur':18B 'issu':53C,60C 'let':5A 'mac':20B 'mac-fleet':19B 'maco':1A,22B,28B,64C,68C,71C 'malici':35B 'may':76C 'normal':42B 'path':2A,24B,51C 'run':49B 'sequoia':69C 'softwar':47B 'taho':72C 'unsign':44B 'untrust':46B 'valid':3A,33B,58C","nicknames":[],"mitigations":[],"who_affected":"Any Mac running an unpatched macOS release is potentially affected, since the flaw sits in the operating system's Gatekeeper path checks. Sources do not say whether managed or enterprise configurations change exposure. unknown for any narrower condition.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:42+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112512","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112512","severity":null,"published_at":"2026-10-26T21:17:42+00:00","modified_at":"2026-10-26T21:17:42+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","fetched_at":"2026-10-26T21:20:27+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}