Insecure Default Configuration in Coze Studio Allows Command Execution
CVE-2026-77934

8.7HIGH

Key Information:

Vendor

Coze-dev

Status
Coze-studio
Vendor
CVE Published:
20 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-77934?

Coze Studio prior to version 0.5.0 has a serious flaw that stems from its default configuration, allowing registered users to execute commands through running workflow code in an unsandboxed Python3 subprocess. This enables threat actors to manipulate the system by bypassing import filters, leading to unauthorized access to sensitive information, including environment variables, API keys, and various databases such as MySQL, MinIO, and Redis. Users of Coze Studio should take immediate actions to upgrade to the latest version to mitigate these risks and safeguard their systems.

Affected Version(s)

coze-studio 0 < 0.5.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-77934 - Proof of Concept

References

https://www.lasso.security/vulnerability-database/cve-202...
technical-descriptionexploit
https://github.com/coze-dev/coze-studio/commit/fcf40d1008...
patch
https://github.com/coze-dev/coze-studio/blob/ffec252d9e26...
technical-description

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Noy Pearl
Michael Sromin
Ophir Dror
.