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High · 8.5 Public exploit CVE-2025-49619 EUVD-2025-17375GHSA-h92g-3xc3-ww2rPYSEC-2026-1929

Skyvern has a Jinja runtime leak

Published Jun 7, 2025 · Updated Jun 17, 2025 · Assigned by mitre

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).

Affected products

VendorProductAffectedFixed
Skyvern Skyvern ≤ 0.1.85 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 1 module

Exploit-DB 1

GitHub 1 repository

  • cristibtz/CVE-2025-49619 ★ 3 · Jun 9, 2025

    This script exploits CVE-2025-49619 in Skyvern to execute a reverse shell command.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI skyvern <= 0.2.0 — GHSA-h92g-3xc3-ww2r

References