CVE-2025-49619: Skyvern

High severity, CVSS 8.5. EPSS: 20% chance of exploitation in the next 30 days.

Skyvern through 0.1.85 is vulnerable to server-side template injection (SSTI) in the Prompt field of workflow blocks such as the Navigation v2 Block. Improper sanitization of Jinja2 template input allows authenticated users to inject crafted expressions that are evaluated on the server, leading to blind remote code execution (RCE).

Affected products

• Skyvern Skyvern: up to and including 0.1.85

Published 2025-06-07. Last modified 2026-06-17.