CVE-2026-6118

MEDIUM NUCLEI

AstrBotDevs AstrBot MCP Endpoint tools.py add_mcp_server command injection

Title source: cna
STIX 2.1

Exploitation Summary

CVE-2026-6118 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

A vulnerability was determined in AstrBotDevs AstrBot up to 4.22.1. Impacted is the function add_mcp_server of the file astrbot/dashboard/routes/tools.py of the component MCP Endpoint. This manipulation of the argument command causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Nuclei Templates (1)

AstrBot <= 4.22.1 - Command Injection
HIGHVERIFIEDby jyoti369
Shodan: title:"AstrBot"

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-356978 | AstrBotDevs AstrBot MCP Endpoint tools.py add_mcp_server command injection
https://vuldb.com/vuln/356978
Signature, Permissions Required signature permissions-required
VDB-356978 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/356978/cti
Third Party Advisory third-party-advisory
Submit #792655 | AstrBotDevs AstrBot 4.22.1 Arbitrary Command Execution
https://vuldb.com/submit/792655

Scores

CVSS v3 6.3
EPSS 0.0244
EPSS Percentile 85.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-74 CWE-77
Status published
Products (2)
AstrBotDevs/AstrBot 4.22.0
AstrBotDevs/AstrBot 4.22.1
Published Apr 12, 2026
Tracked Since Apr 12, 2026