CVE-2026-91998

Katalog CVE

CVSS 9.9 · Critical EPSS 0,59%

Kerentanan Incorrect Authorization. Skor CVSS 3.1 9.9 (Critical) menurut vulncheck.com.

Deskripsi (NVD)

Casdoor through 4.4.0 contains an authorization bypass vulnerability in the /api/mcp endpoint that allows attackers with any application's clientId and clientSecret to gain unrestricted access to user administration across all organizations. Attackers can enumerate user records including password salts and email addresses, create administrator accounts, modify existing users, and delete them in any organization by supplying legitimate credentials from a single application.

Rincian

Terbit di NVD

15 September 2026

Terakhir diubah

23 September 2026

Status NVD

Deferred

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-863: Incorrect Authorization

EPSS (30 hari)

0,59% peluang dieksploitasi; lebih tinggi dari 46,8% 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/casdoor/casdoor
• https://github.com/casdoor/casdoor/blob/v4.4.0/authz/authz.go#L174-L176
• https://github.com/casdoor/casdoor/blob/v4.4.0/mcpself/user.go
• https://github.com/casdoor/casdoor/blob/v4.4.0/routers/base.go#L122-L154
• https://github.com/geo-chen/oss/blob/main/casdoor.md#finding-2-application-credential-authorization-bypass-in-...
• https://www.vulncheck.com/advisories/casdoor-through-4.4.0-cross-organization-user-administration-via-api-mcp