CVE-2025-49619

Name: CVE-2025-49619
Creator: NVD / NIST
Published: 2025-06-07T14:15:21.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.5/10EPSS 13.45%

Last modified Jun 17, 2026

CVE-2025-49619 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. 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).. EPSS estimates a 13.45% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

8.5/10

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

EPSS Probability

13.45%

95.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1336

References

Timeline

Published: Jun 7, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-49619?

How severe is CVE-2025-49619?

CVE-2025-49619 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 13.45% probability of exploitation in the next 30 days.

How do I fix CVE-2025-49619?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-49619?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST