HIGHCVSS v3.1 8.8Vulnerability
CVE-2026-123783
Skyvern through 1.0.56 contains a sandbox bypass vulnerability that allows authenticated users to execute code by reconstructing functions from raw bytecode with types.CodeType. Attackers can deploy scripts that evade the is_safe_script_code AST denylist and import blocked modules such as subprocess or socket to run code in the Skyvern server process.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-07T06:40:34.987550+00:00
- Cvss severity
- HIGH
- Cvss score
- 8.8
- Retrieved at
- 2026-11-07T06:41:39+00:00
- Score
- 8.8
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-123783
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-11-06T18:25:35+00:00
- Name
- CVE-2026-123783
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-11-06T15:17:21.103
- Last modified
- 2026-11-06T18:18:04.953
Related Entities (1)
HAS_WEAKNESS (1)
Explore deeper with Ninja Signal's threat intelligence graph