Coze Studio through 0.5.1 fails to restrict the server URL supplied when registering plugin tools, allowing authenticated users to make the backend fetch internal services. Attackers can construct plugin requests to access cloud metadata endpoints and internal services reachable only from the backend network, reading responses containing sensitive information.
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
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Coze Coze_Studio
cpe:2.3:a:coze:coze_studio:*:*:*:*:*:*:*:*
|
— |
<= 0.5.1
|
References 4
https://github.com/coze-dev/coze-studio
disclosure@vulncheck.com
https://github.com/coze-dev/coze-studio/blob/22275b1c2661d35344a7493cffe401e8cc…
disclosure@vulncheck.com
https://github.com/coze-dev/coze-studio/issues/2711
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/coze-studio-through-0.5.1-server-side-requ…
disclosure@vulncheck.com