CVE-2026-27189

Summary

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.

Affected Software

Weaknesses

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

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/OpenSift/OpenSift/security/advisories/GHSA-3pmp-j953-whxq
• https://github.com/OpenSift/OpenSift/releases/tag/v1.1.3-alpha

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