CVE-2026-108752

Katalog CVE

CVSS 4.2 · Medium EPSS 0,25%

Kerentanan Use of Multiple Resources with Duplicate Identifier. Skor CVSS 3.1 4.2 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

JupyterHub through 6.0.1 contains an identifier collision vulnerability that allows authenticated users to overwrite another user's named-server OAuth client by registering a hyphenated username. Attackers holding a name like alice-prod can overwrite the client for alice's server prod, breaking OAuth login and revoking tokens by stopping their own server.

Rincian

Terbit di NVD

11 Oktober 2026

Terakhir diubah

13 Oktober 2026

Status NVD

Received

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-694: Use of Multiple Resources with Duplicate Identifier

EPSS (30 hari)

0,25% peluang dieksploitasi; lebih tinggi dari 14,5% 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/jupyterhub/jupyterhub
• https://github.com/jupyterhub/jupyterhub/blob/3e516c6f382b481e815ec455befb2f14d80d337b/jupyterhub/oauth/provid...
• https://github.com/jupyterhub/jupyterhub/blob/3e516c6f382b481e815ec455befb2f14d80d337b/jupyterhub/user.py#L117...
• https://github.com/jupyterhub/jupyterhub/blob/3e516c6f382b481e815ec455befb2f14d80d337b/jupyterhub/user.py#L563...
• https://hackmd.io/@haind/jupyterhub-oauth-client-id-cross-user-collision
• https://www.vulncheck.com/advisories/jupyterhub-through-6.0.1-oauth-client-id-collision-via-unescaped-hyphen