Coze Studio before 0.5.0 contains an insecure default configuration that allows any registered user to execute commands by running workflow code nodes in an unsandboxed python3 subprocess. Attackers can bypass the regex import filter with __import__('subprocess') to run commands, stealing environment variables, model API keys, and accessing MySQL, MinIO, Redis and etcd.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 4
https://github.com/coze-dev/coze-studio/blob/ffec252d9e2600f61d49b8228a642335e8…
disclosure@vulncheck.com
https://github.com/coze-dev/coze-studio/commit/fcf40d1008c100108c23be051a499502…
disclosure@vulncheck.com
https://www.lasso.security/vulnerability-database/cve-2026-77934
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/coze-studio-before-0.5.0-rce-via-unsandbox…
disclosure@vulncheck.com