CVE-2026-27189: OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI

Routine

MEDIUM 6.6UPGRADE

CVE-2026-27189 is a medium-severity flaw (CVSS 6.6) affecting opensift. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-362, CWE-367
Published	2026-02-21
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: opensift

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-21 00:16 UTCPublished CVE record published
2026-06-17 10:26 UTCUpdated Record last modified

opensift opensift UPGRADE

Affected: < 1.1.3

Fixed in: 1.1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show opensift

2. UPGRADE to 1.1.3

pip install --upgrade "opensift>=1.1.3"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-27189?

opensift: upgrade to 1.1.3. Exact commands for each OS are on this page.

Is CVE-2026-27189 being exploited?

CVE-2026-27189 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-27189 affect?

CVE-2026-27189 affects opensift. Severity is medium (CVSS 6.6). 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 concurr

How urgent is CVE-2026-27189?

Priority 24/100. No elevated risk signals yet.

Related CVEs

CVE-2026-28677 HIGH 8.2 UPGRADE OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI
CVE-2026-28676 HIGH 8.8 UPGRADE OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI
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CVE-2026-27170 HIGH 7.1 UPGRADE OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI
CVE-2026-27169 HIGH 8.9 UPGRADE OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI

References

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