CVE-2026-30942

Katalog CVE

CVSS 6.5 · Medium EPSS 0,59%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada flintsh flare. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools. Prior to 1.7.3, an authenticated path traversal vulnerability in /api/avatars/[filename] allows any logged-in user to read arbitrary files from within the application container. The filename URL parameter is passed to path.join() without sanitization, and getFileStream() performs no path validation, enabling %2F-encoded ../ sequences to escape the uploads/avatars/ directory and read any file accessible to the nextjs process under /app/. Authentication is enforced by Next.js middleware. However, on instances with open registration enabled (the default), any attacker can self-register and immediately exploit this. This vulnerability is fixed in 1.7.3.

Rincian

Terbit di NVD

10 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

0,59% peluang dieksploitasi; lebih tinggi dari 46,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/FlintSH/Flare/security/advisories/GHSA-h639-p7m9-mpgp exploit · mitigasi · advisory vendor
• https://github.com/FlintSH/Flare/commit/cd894cc480619aef958be5de72b1445222fd8d36 patch
• https://github.com/FlintSH/Flare/releases/tag/v1.7.3 product · release notes