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.
Metrics
Affected Vendors & Products
References
History
Tue, 01 Sep 2026 02:30:00 +0000
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ssvc
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Mon, 31 Aug 2026 11:45:00 +0000
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| First Time appeared |
Skyvern-ai
Skyvern-ai skyvern |
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| Vendors & Products |
Skyvern-ai
Skyvern-ai skyvern |
Sat, 29 Aug 2026 12:30:00 +0000
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| 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. | |
| Title | Skyvern before 1.0.45 Sandbox Escape via TextPromptBlock | |
| Weaknesses | CWE-1336 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-29T12:05:34.113Z
Updated: 2026-09-01T02:07:46.252Z
Reserved: 2026-08-29T11:37:29.518Z
Link: CVE-2026-82447
Updated: 2026-09-01T02:07:41.972Z
Status : Received
Published: 2026-08-29T13:16:38.643
Modified: 2026-08-29T13:16:38.643
Link: CVE-2026-82447
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