CVE-2025-49619
HIGH EPSS 96.0%
Published Jun 7, 20251y ago · Modified Jun 17, 20261w ago
8.5 CVSS 3.1
Published Jun 7, 2025 1y ago
Last Modified Jun 17, 2026 1w ago
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).
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality High
Integrity Low
Availability None
Threat Intelligence
EPSS Exploit Probability
96.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-1336
References 4
- cristibtz.blog https://cristibtz.blog/posts/CVE-2025-49619/
- cristibtz.github.io https://cristibtz.github.io/posts/CVE-2025-49619/
- github.com https://github.com/Skyvern-AI/skyvern/commit/db856cd8433a204c8b45979c70a4da1e119d949d
- exploit-db.com https://www.exploit-db.com/exploits/52335
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.