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).

Affected

Skyvern

CVSS v3.1 MITRE

8.5 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

EPSS

20.42% chance of exploitation in the next 30 days, 97th percentile

Published

2025-06-07

Updated

2025-06-17

Proof-of-concept exploits (1)

• cristibtz/CVE-2025-496193★ · 2025-08-17

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/skyvern_ssti_cve_2025…

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/52335

Security advisories

• advisories/GHSA-h92g-3xc3-ww2r

References

• CVE Record
• NVD entry

Related

• CVE-2025-62369