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CVE-2026-30231

MEDIUM CVSS 4.0: 6.0 EPSS 0.03%
Updated Apr 09, 2026
Flintsh
Parameter Value
CVSS 6.0 (MEDIUM)
Affected Versions before 1.7.2
Fixed In 1.7.2
Type CWE-639 (Authorization Bypass)
Vendor Flintsh
Public PoC No

Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools. Prior to version 1.7.2, the raw and direct file routes only block unauthenticated users from accessing private files. Any authenticated, non‑owner user who knows the file URL can retrieve the content, which is inconsistent with stricter checks used by other endpoints.

This issue has been patched in version 1.7.2.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Flintsh Flare
cpe:2.3:a:flintsh:flare:*:*:*:*:*:*:*:*
1.7.2