CVE-2025-49619

Published Jun 7, 2025 CVSS 3.1 · 8.5 High EPSS 21.8% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-h92g-3xc3-ww2r Skyvern has a Jinja runtime leak
History
Type Values Removed Values Added
Metrics epss

{'score': 0.34205}

epss

{'score': 0.40597}

Type Values Removed Values Added
Description Skyvern through 0.1.85 has a Jinja runtime leak in sdk/workflow/models/block.py. 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).
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Skyvern through 0.1.85 has a Jinja runtime leak in sdk/workflow/models/block.py.
Weaknesses CWE-1336
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jun 17, 2025, 9:01 PM
Reserved
Jun 7, 2025, 12:00 AM
Status
Deferred
Published
Jun 7, 2025, 2:15 PM
Modified
Jun 17, 2026, 9:31 AM