What is the CVSS score of CVE-2026-27189?

CVE-2026-27189 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L. EPSS exploitation probability: 0.0%.

Which versions of AI / ML are affected by CVE-2026-27189?

Organizations using OpenSift should be aware of notable risk from CVE-2026-27189, a race condition vulnerability rated CVSS 6.6. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2026-27189?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

AI / ML CVE-2026-27189

MEDIUM

Race Condition (CWE-362)

2026-02-21 security-advisories@github.com

Race Condition AI / ML Opensift

6.6

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.6 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

CVE Published

Feb 21, 2026 - 00:16 nvd

MEDIUM 6.6

DescriptionGitHub Advisory

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.

AnalysisAI

OpenShift versions 1.1.2-alpha and below suffer from a race condition in local JSON persistence that allows authenticated local users to corrupt data stores or cause loss of updates across sessions, study materials, quizzes, and authentication records. The vulnerability stems from non-atomic and insufficiently synchronized file operations that can be exploited through concurrent access to the application's local storage. No patch is currently available.

Technical ContextAI

Classified as CWE-362 (Race Condition). Affects Opensift. 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.