Auth bypass in Flytohub Flyto-core
CVE-2026-67426
Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, the standalone flyto-verification service in src/core/verification_service.py exposes unauthenticated POST /run on 0.0.0.0:8344 and uses client-supp…
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.
Affected products
- Flytohub Flyto-core — versions < 2.26.7
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-67426?
- CVE-2026-67426 is a critical-severity vulnerability in Flytohub Flyto-core, classified under Missing Authentication for Critical Function. CVSS score: 9.3/10. Published 2026-07-29.
- How severe is CVE-2026-67426?
- Critical severity. CVSS v3 base score is 9.3 out of 10.