PT-2026-83426 · Skyvern Ai · Skyvern

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CVE-2026-82447

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Published

2026-08-29

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Updated

2026-08-29

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Skyvern before 1.0.45 contains a sandbox escape vulnerability in TextPromptBlock that renders prompts twice, first through a sandboxed Jinja environment and then through an unsandboxed environment. Attackers can inject malicious Jinja template syntax through workflow parameters or upstream block output to execute arbitrary code with server process privileges.

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-82447

Affected Products

Skyvern