CVE-2026-27189

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.

CVSS v3 6.6 MEDIUM

6.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.7

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/OpenSift/OpenSift/releases/tag/v1.1.3-alpha	Product Release Notes
https://github.com/OpenSift/OpenSift/security/advisories/GHSA-3pmp-j953-whxq	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:opensift:opensift:*:*:*:*:*:python:*:*

History

23 Feb 2026, 20:48

Type	Values Removed	Values Added
First Time		Opensift Opensift opensift
CPE		cpe:2.3:a:opensift:opensift::::::python::*
References	~~() https://github.com/OpenSift/OpenSift/releases/tag/v1.1.3-alpha -~~	() https://github.com/OpenSift/OpenSift/releases/tag/v1.1.3-alpha - Product, Release Notes
References	~~() https://github.com/OpenSift/OpenSift/security/advisories/GHSA-3pmp-j953-whxq -~~	() https://github.com/OpenSift/OpenSift/security/advisories/GHSA-3pmp-j953-whxq - Vendor Advisory

21 Feb 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-21 00:16

Updated : 2026-02-23 20:48

NVD link : CVE-2026-27189

Mitre link : CVE-2026-27189

CVE.ORG link : CVE-2026-27189

JSON object : View

Products Affected

opensift

opensift

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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