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 issafescriptcode AST denylist and import blocked modules such as subprocess...

CVE-2026-123783: Skyvern-AI skyvern: Skyvern through 1.0.56 contains a sandbox bypass vulnerability that allows authenticated users to execute code by…

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 issafescriptcode AST denylist and import blocked modules such as subprocess...