CVE-2026-46409

Katalog CVE

CVSS 9.6 · Critical EPSS 0,28%

Kerentanan Improper Control of Generation of Code ('Code Injection'). Skor CVSS 3.1 9.6 (Critical) menurut github.com.

Deskripsi (NVD)

OpenYak is a local-first agent runtime for reliable tool-using models, with a desktop workspace built on top. Prior to version 1.1.3, the OpenYak desktop backend binds an HTTP API to `127.0.0.1:<random port>` (commonly 19141) without server-side Origin validation, loopback authentication, or Content-Type enforcement, and with a wildcard CORS policy. Any webpage a user visits while OpenYak is running can issue cross-origin requests to this local server — the browser acts as a proxy into loopback, bypassing OS-level network isolation. Chained, this lets a malicious page execute arbitrary shell commands on the host (RCE) via the build agent with `permission_presets.bash=true`, shut down the service, and exfiltrate chat history and account PII — with no user interaction beyond opening the page. Version 1.1.3 patches the issue.

Rincian

Terbit di NVD

7 Agustus 2026

Terakhir diubah

18 September 2026

Status NVD

Deferred

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE-306: Missing Authentication for Critical Function
CWE-346: Origin Validation Error
CWE-352: Cross-Site Request Forgery (CSRF)
CWE-942: Permissive Cross-domain Security Policy with Untrusted Domains

EPSS (30 hari)

0,28% peluang dieksploitasi; lebih tinggi dari 19,1% 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/openyak/openyak/security/advisories/GHSA-ccxp-q2w5-27jw