Improper Neutralization of Special Elements Used in a Template Engine Affecting skyvern package, versions [,0.2.1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-SKYVERN-10500460
- published25 Jun 2025
- disclosed7 Jun 2025
- creditUnknown
Introduced: 7 Jun 2025
NewCVE-2025-49619 (opens in a new tab)How to fix?
Upgrade skyvern to version 0.2.1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine via the format_block_parameter_template_from_workflow_run_context function in the block.py file. An attacker can access sensitive information by exploiting the Jinja runtime leak.