What is CVE-2026-6118?

CVE-2026-6118 is a medium-severity vulnerability in Astrbotdevs Astrbot, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-04-12.

How severe is CVE-2026-6118?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Astrbotdevs Astrbot

CVE-2026-6118

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.

EPSS: 0.023 (82.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Astrbotdevs Astrbot — versions 4.22.0, 4.22.1

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-6118?: CVE-2026-6118 is a medium-severity vulnerability in Astrbotdevs Astrbot, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-04-12.
How severe is CVE-2026-6118?: Medium severity. CVSS v3 base score is 6.3 out of 10.