SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-7221

A vulnerability was found in TencentCloudBase CloudBase-MCP up to 2.17.0.

MEDIUM 5.5EPSS 0.30%

Does this matter?

Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0
5.5 MEDIUMCVSS: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/M
EPSS
0.30% probability · 22th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-918
Source
cna@vuldb.com
EPSS trend
0%3%5%27 October 2026: 0.30%27 October 202627 October 2026

EPSS 0.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.