What is CVE-2026-18484?

CVE-2026-18484 is a medium-severity vulnerability in IBM Contextforge Mcp Gateway, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 6.5/10. Published 2026-11-08.

How severe is CVE-2026-18484?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in IBM Contextforge Mcp Gateway

CVE-2026-18484

IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to cause a denial of service due to improper slug normalization causing tool name collisions.

Published 2026-11-08 · last modified 2026-11-08.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Contextforge Mcp Gateway

Weakness classification (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference

References

www.ibm.com/support/pages/node/7294233 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-18484?: CVE-2026-18484 is a medium-severity vulnerability in IBM Contextforge Mcp Gateway, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 6.5/10. Published 2026-11-08.
How severe is CVE-2026-18484?: Medium severity. CVSS v3 base score is 6.5 out of 10.