CVE-2025-49619

State: Published
Severity: 8.5 High
Published: Jun 7, 2025
Updated: Jun 17, 2025
Reserved: Jun 7, 2025

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).

Scores

CVSS	Score	Vector	Source
3.1	8.5 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N	mitre

Weaknesses

CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine

Affected Products

Product	Versions
SkyvernSkyvern	0.1.85 and earlierAffected

References

https://github.com/Skyvern-AI/skyvern/commit/db856cd8433a204c8b45979c70a4da1e119d949d
https://cristibtz.github.io/posts/CVE-2025-49619/
https://www.exploit-db.com/exploits/52335
https://cristibtz.blog/posts/CVE-2025-49619/exploit

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.