CVE-2025-49619

Summary

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 Software

VendorProductVersion RangeStatus
SkyvernSkyvern0 <= 0.1.85affected

Weaknesses

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

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

Additional References

References