What is CVE-2026-19268?

CVE-2026-19268 is a medium-severity vulnerability in Abdullah1854 Mcpgateway, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-08-08.

How severe is CVE-2026-19268?

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

RCE in Abdullah1854 Mcpgateway

CVE-2026-19268

A vulnerability was identified in abdullah1854 MCPGateway up to 549f494a9e363f40530149de324b8097de424230. This impacts the function getUsageByDateRange of the file src/services/claude-usage.ts of the component Claude Usage Range Endpoint. The manipulation of the argument since leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

EPSS: 0.011 (62.8th 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

Abdullah1854 Mcpgateway — versions 549f494a9e363f40530149de324b8097de424230

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 (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-19268?: CVE-2026-19268 is a medium-severity vulnerability in Abdullah1854 Mcpgateway, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-08-08.
How severe is CVE-2026-19268?: Medium severity. CVSS v3 base score is 6.3 out of 10.