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

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-7221
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-28 04:16:26 UTC
Updated2026-04-28 04:16:26 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 6.9 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-918 | CWE-918 Server-Side Request Forgery

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary7.3HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED7.3HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED7.3HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
2.0CNADECLARED7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TencentCloudBase CloudBase-MCP affected 2.0 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.1 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.2 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.3 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.4 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.5 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.6 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.7 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.8 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.9 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.10 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.11 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.12 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.13 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.14 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.15 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.16 Not specified
CNA TencentCloudBase CloudBase-MCP affected 2.17.0 Not specified
CNA TencentCloudBase CloudBase-MCP unaffected 2.17.1 Not specified

References

ReferenceSourceLinkTags
vuldb.com/submit/802230 [email protected] vuldb.com
github.com/TencentCloudBase/CloudBase-MCP [email protected] github.com
github.com/TencentCloudBase/CloudBase-MCP/issues/509 [email protected] github.com
github.com/TencentCloudBase/CloudBase-MCP/releases/tag/v2.17.1 [email protected] github.com
github.com/TencentCloudBase/CloudBase-MCP/pull/510 [email protected] github.com
github.com/TencentCloudBase/CloudBase-MCP/commit/3f678a1e7bd400cd76469d6... [email protected] github.com
vuldb.com/vuln/359821/cti [email protected] vuldb.com
vuldb.com/vuln/359821 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: BruceJin (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-27T00:00:00.000ZAdvisory disclosed
CNA2026-04-27T02:00:00.000ZVulDB entry created
CNA2026-04-27T17:40:14.000ZVulDB entry last update
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