{"schemaVersion":3,"id":"CVE-2026-47122","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Sparkle is a software update framework for macOS. In versions up to and including 2.9.1, `Autoupdate/AppInstaller.m`'s `shouldAcceptNewConnection:` only enforces `SUCodeSigningVerifier validateConnection:` before stage 1 completes. After `_performedStage1Installation = YES`, new connections to the registered Mach service `<bundleId>-spki` are accepted from any local process without team-ID or code-signing checks. As of time of publication, no known patched versions are available.","dates":{"published":"2026-07-21T13:57:59.824Z","modified":"2026-07-21T14:55:16.991Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.2,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":4.2,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.2,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00105,"percentile":0.01037,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00105},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00105,"percentile":0.01037}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00105,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","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