{"id":"CVE-2026-27189","aliases":["EUVD-2026-7744","GHSA-3pmp-j953-whxq"],"status":"published","title":"OpenSift: Race-prone local persistence could cause state corruption/loss","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Versions 1.1.2-alpha and below, use non-atomic and insufficiently synchronized local JSON persistence flows, potentially causing concurrent operations to lose updates or corrupt local state across sessions/study/quiz/flashcard/wellness/auth stores. This issue has been fixed in version 1.1.3-alpha.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00124,"percentile":0.0215,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362","CWE-367"],"published":"2026-02-21T00:01:46Z","modified":"2026-08-28T11:46:26Z","products":[{"vendor":"opensift","product":"opensift"}],"references":[{"url":"https://github.com/OpenSift/OpenSift/security/advisories/GHSA-3pmp-j953-whxq","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/OpenSift/OpenSift/releases/tag/v1.1.3-alpha","tags":["x_refsource_MISC","Product","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27189.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27189","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-27189","title":"OpenSift: Race-prone local persistence could cause state corruption/loss","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Versions 1.1.2-alpha and below, use non-atomic and insufficiently synchronized local JSON persistence flows, potentially causing concurrent operations to lose updates or corrupt local state across sessions/study/quiz/flashcard/wellness/auth stores. This issue has been fixed in version 1.1.3-alpha.","status":"published","published":"2026-02-21T00:01:46.96Z","modified":"2026-02-25T21:25:52.502Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-367","CWE-362"],"updated_at":"2026-11-02T14:19:48.826324Z"}],"euvd":[{"id":"EUVD-2026-7744","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Versions 1.1.2-alpha and below, use non-atomic and insufficiently synchronized local JSON persistence flows, potentially causing concurrent operations to lose updates or corrupt local state across sessions/study/quiz/flashcard/wellness/auth stores. This issue has been fixed in version 1.1.3-alpha.","status":"published","published":"2026-02-21T00:01:46Z","modified":"2026-02-25T21:25:52Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium"}],"updated_at":"2026-11-02T19:48:28.012266Z"}],"nvd":[{"id":"CVE-2026-27189","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Versions 1.1.2-alpha and below, use non-atomic and insufficiently synchronized local JSON persistence flows, potentially causing concurrent operations to lose updates or corrupt local state across sessions/study/quiz/flashcard/wellness/auth stores. This issue has been fixed in version 1.1.3-alpha.","status":"published","published":"2026-02-21T00:16:17.14Z","modified":"2026-06-17T10:26:49.033Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-362","CWE-367"],"updated_at":"2026-11-02T14:12:06.63895Z"}],"osv":[{"id":"CVE-2026-27189","title":"OpenSift: Race-prone local persistence could cause state corruption/loss","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Versions 1.1.2-alpha and below, use non-atomic and insufficiently synchronized local JSON persistence flows, potentially causing concurrent operations to lose updates or corrupt local state across sessions/study/quiz/flashcard/wellness/auth stores. This issue has been fixed in version 1.1.3-alpha.","status":"published","published":"2026-02-21T00:01:46.96Z","modified":"2026-08-28T11:46:26.243329732Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium"}],"cwes":["CWE-362","CWE-367"],"updated_at":"2026-11-02T15:44:59.80315Z"}]}}