csirt@kutim:~/threat-intel/cve/CVE-2026-44555

Katalog CVE

CVSS 7.6 · High EPSS 0,35%

Kerentanan Missing Authorization pada openwebui open webui. Skor CVSS 3.1 7.6 (High) menurut github.com.

Deskripsi (NVD)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via base_model_id: a user-defined model (e.g., "Cheap Assistant") can reference an existing base model (e.g., "gpt-4-turbo-restricted") that provides the actual inference capability. When a user queries the composed model, the access control pipeline verifies the user has access to the composed model but never re-verifies access to the chained base model. Additionally, the model creation and import endpoints accept arbitrary base_model_id values without checking that the caller has access to that base model. Combined, this allows any user with the default model creation permission to create a model that chains to a restricted base model — and then invoke it, causing the server to dispatch the request to the restricted base model using the admin-configured API key. This vulnerability is fixed in 0.9.0.

Rincian

Terbit di NVD
15 Mei 2026
Terakhir diubah
17 Juni 2026
Status NVD
Analyzed
CVSS 3.1
7.6 (High), sumber github.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-862: Missing Authorization
EPSS (30 hari)
0,35% peluang dieksploitasi; lebih tinggi dari 26,5% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
openwebui open webui Semua versi sebelum 0.9.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.