CVE-2026-41896

Katalog CVE

CVSS 7.5 · High EPSS 0,39%

Kerentanan Improper Authentication. Skor CVSS 3.1 7.5 (High) menurut github.com.

Deskripsi (NVD)

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, the HMAC key is the application's manual_webhook_secret_github field, which is used by Coolify's webhook endpoints to validate incoming requests, is nullable with no default — meaning newly created applications have a null webhook secret. PHP's hash_hmac() function silently coerces a null key to an empty string ''. So when the secret is null, the server computes hash_hmac('sha256', $payload, '') — a deterministic value that any attacker can calculate independently. By sending X-Hub-Signature-256: sha256=<hash_hmac('sha256', payload, '')>, an unauthenticated attacker can forge a valid signature and trigger deployments. This vulnerability is fixed in 4.0.0-beta.474.

Rincian

Terbit di NVD

29 Juni 2026

Terakhir diubah

30 Juni 2026

Status NVD

Deferred

CVSS 3.1

7.5 (High), sumber github.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-287: Improper Authentication

EPSS (30 hari)

0,39% peluang dieksploitasi; lebih tinggi dari 31,1% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/coollabsio/coolify/security/advisories/GHSA-w8wm-r924-f65v