RCE in Apple macOS
CVE-2026-8481
IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the code validation API endpoint. The POST /api/v1/validate/code endpoint accepts user-supplied Python code and executes it directly using Python's built-in exec() function without sandboxing, input validation, or privilege restrictions, enabling any authenticated user to execute arbitrary system commands with the full privileges of the Langflow server process.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.008 (54.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-8481?
- CVE-2026-8481 is a critical-severity vulnerability in Apple macOS, classified under Code Injection. CVSS score: 9.9/10. Published 2026-07-17.
- How severe is CVE-2026-8481?
- Critical severity. CVSS v3 base score is 9.9 out of 10.