{"id":"CVE-2026-112513","kind":"vulnerability","aliases":["CVE-2026-112513"],"related":[],"title":"macOS: symlink validation flaw lets an app escape its sandbox","description":"This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Golden Gate 27.2. An app may be able to break out of its sandbox.","summary":"A symlink validation flaw in macOS lets a local app break out of its sandbox. The fix ships in macOS Golden Gate 27.2.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["developer-laptops","infrastructure","macbook-fleets","macos"],"not_affected_if":["already-on-27.2-or-later"],"how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed release.\n- unknown","fix":"- Update macOS to `27.2` or later (Golden Gate).","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` or later (Golden Gate).","reach":"local","title":"macOS: symlink validation flaw lets an app escape its sandbox","impact":"medium","summary":"A symlink validation flaw in macOS lets a local app break out of its sandbox. The fix ships in macOS Golden Gate 27.2.","category":"infrastructure","nicknames":[],"who_cares":["macos","macbook-fleets","developer-laptops"],"confidence":0.5,"needs_auth":"unknown","worst_case":"A sandboxed app escapes its confinement and reaches system files.","analyst_note":"Check Apple's security notes for the affected macOS versions and the CVSS score; the sources give no severity or affected range.","how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed release.\n- unknown","needs_analyst":true,"not_affected_if":["already-on-27.2-or-later"],"who_is_affected":"Any Mac running a macOS release before Golden Gate 27.2 is affected, since the flaw is in the operating system's symlink handling. The sources do not say which earlier releases are vulnerable, so treat all of them as affected. Machines already on 27.2 or later can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000561,"input_tokens":3244,"output_tokens":473,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112513':13A,16A '-2026':12A,15A '27.2':47B,65C 'abl':70C 'address':51C 'app':7A,34B,67C 'break':35B,72C 'cve':11A,14A 'develop':18B 'developer-laptop':17B 'escap':8A 'fix':41B,60C 'flaw':4A,28B 'fleet':23B 'gate':46B,64C 'golden':45B,63C 'improv':53C 'infrastructur':20B 'issu':49C,58C 'laptop':19B 'let':5A,31B 'local':33B 'macbook':22B 'macbook-fleet':21B 'maco':1A,24B,30B,44B,62C 'may':68C 'sandbox':10A,39B,76C 'ship':42B 'symlink':2A,26B,56C 'valid':3A,27B,54C","nicknames":[],"mitigations":[],"who_affected":"Any Mac running a macOS release before Golden Gate 27.2 is affected, since the flaw is in the operating system's symlink handling. The sources do not say which earlier releases are vulnerable, so treat all of them as affected. Machines already on 27.2 or later can skip it.","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-2026-112513","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112513","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"}