CVE-2026-7221

HIGH

TencentCloudBase CloudBase-MCP open-url API Endpoint interactive-server.ts openUrl server-side request forgery

Title source: cna
STIX 2.1

Description

A vulnerability was found in TencentCloudBase CloudBase-MCP up to 2.17.0. Affected is the function openUrl of the file mcp/src/interactive-server.ts of the component open-url API Endpoint. The manipulation of the argument req.body.url results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2.17.1 is able to address this issue. The patch is identified as 3f678a1e7bd400cd76469d61024097d4920dc6b5. It is recommended to upgrade the affected component.

References (8)

Core 8
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-359821 | TencentCloudBase CloudBase-MCP open-url API Endpoint interactive-server.ts openUrl server-side request forgery
https://vuldb.com/vuln/359821
Signature, Permissions Required signature permissions-required
VDB-359821 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/359821/cti
Third Party Advisory third-party-advisory
Submit #802230 | TencentCloudBase CloudBase-MCP 2.16.1 Server-Side Request Forgery
https://vuldb.com/submit/802230

Scores

CVSS v3 7.3
EPSS 0.0030
EPSS Percentile 21.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (19)
TencentCloudBase/CloudBase-MCP 2.0
TencentCloudBase/CloudBase-MCP 2.1
TencentCloudBase/CloudBase-MCP 2.10
TencentCloudBase/CloudBase-MCP 2.11
TencentCloudBase/CloudBase-MCP 2.12
TencentCloudBase/CloudBase-MCP 2.13
TencentCloudBase/CloudBase-MCP 2.14
TencentCloudBase/CloudBase-MCP 2.15
TencentCloudBase/CloudBase-MCP 2.16
TencentCloudBase/CloudBase-MCP 2.17.0
... and 9 more
Published Apr 28, 2026
Tracked Since Apr 28, 2026