CVE-2026-77935

Coze Studio through 0.5.1 contains an insecure direct object reference vulnerability in workflow.go that allows authenticated users to access other spaces' workflows by supplying foreign workflowIDs. Attackers can pair their own spaceID with another tenant's workflowID in save, update_meta, batch_delete, canvas, test_run and nodeDebug routes to read, run, overwrite or delete workflows.

CVSS v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/coze-dev/coze-studio/blob/72cecff858a5a18662c5d9d1a4764c53ebc98317/backend/application/workflow/workflow.go#L303
https://www.lasso.security/vulnerability-database/cve-2026-77935
https://www.vulncheck.com/advisories/coze-studio-through-0.5.1-cross-space-workflow-idor-via-workflow-api-handlers

Configurations

No configuration.

History

20 Oct 2026, 01:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 01:17

Updated : 2026-10-20 20:06

NVD link : CVE-2026-77935

Mitre link : CVE-2026-77935

CVE.ORG link : CVE-2026-77935

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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