CVE-2026-27189

OpenSift: Race-prone local persistence could cause state corruption/loss

State: Published
Severity: 6.6 Medium
Published: Feb 21, 2026
Updated: Feb 25, 2026
Reserved: Feb 18, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.6 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L	GitHub_M

Weaknesses

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

Product	Versions
OpenSiftOpenSift	< 1.1.3-alphaAffected

References

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