Is CVE-2026-82447 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-82447?

CVE-2026-82447 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-82447

Description

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.