CVE-2026-30230CWE-639

Flare: Password‑Protected Thumbnail Bypass

High · published March 6, 2026

CVSS v4.0
8.2
EPSS
0%
Percentile
35.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.2 · HIGH
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
EPSS
0.00423 · 35.5th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-03-06T21:09Z
EPSS history
Timeline
  • 06 MAR 21:09Z
    Flare: Password‑Protected Thumbnail Bypass
    cvelistv5