CVE-2026-79786

Katalog CVE

CVSS 7.1 · High EPSS 0,27%

Kerentanan URL Redirection to Untrusted Site ('Open Redirect'). Skor CVSS 3.1 7.1 (High) menurut vulncheck.com.

Deskripsi (NVD)

Coroot's unauthenticated MCP OAuth dynamic client registration endpoint accepts any syntactically valid redirect URI without validation, allowing attackers to register clients pointing to attacker-controlled hosts. Attackers can send authorization URLs to signed-in users, capture their authorization codes upon consent approval, and exchange them for access tokens to hijack MCP sessions.

Rincian

Terbit di NVD

25 Agustus 2026

Terakhir diubah

23 September 2026

Status NVD

Deferred

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

EPSS (30 hari)

0,27% peluang dieksploitasi; lebih tinggi dari 18,1% 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/coroot/coroot
• https://github.com/coroot/coroot/blob/v1.24.5/api/mcp_oauth.go
• https://github.com/coroot/coroot/issues/929
• https://www.vulncheck.com/advisories/coroot-1.20.2-through-1.24.5-unvalidated-redirect-uri-in-mcp-oauth-client...