CVE-2025-49619
HIGHCVSS v3
8.5
HIGH
EPSS Score
73.5%
exploit probability
CISA KEV
No
known exploited
Exploitation
poc
SSVC status
Description
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).
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 6/7/2025
- Last Modified
- 4/15/2026
Frequently Asked Questions
What is CVE-2025-49619?
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).
Is CVE-2025-49619 actively exploited?
A proof-of-concept exploit exists for CVE-2025-49619, but active exploitation has not been confirmed at this time.
What is the CVSS score for CVE-2025-49619?
CVE-2025-49619 has a CVSS v3 base score of 8.5 (HIGH severity), with vector string 3.1.
Is CVE-2025-49619 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.