What is CVE-2026-46409?

CVE-2026-46409 is a critical-severity vulnerability in Openyak, classified under Code Injection. CVSS score: 9.6/10. Published 2026-08-07.

How severe is CVE-2026-46409?

Critical severity. CVSS v3 base score is 9.6 out of 10.

RCE in Openyak

CVE-2026-46409

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 serve…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Openyak — versions < 1.1.3

Weakness classification (CWE)

CWE-94 — 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 Policy with Untrusted Domains

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-46409?: CVE-2026-46409 is a critical-severity vulnerability in Openyak, classified under Code Injection. CVSS score: 9.6/10. Published 2026-08-07.
How severe is CVE-2026-46409?: Critical severity. CVSS v3 base score is 9.6 out of 10.