What is CVE-2026-18905?

CVE-2026-18905 is a high-severity vulnerability, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-09-04.

How severe is CVE-2026-18905?

High severity. CVSS v3 base score is 7.7 out of 10.

CVE-2026-18905

CVE-2026-18905

IBM ContextForge MCP Gateway (`mcp-contextforge-gateway`) <= v1.0.6 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive information due to a DNS rebinding vulnerability during tool invocation.

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

psirt@us.ibm.com

Frequently asked questions

What is CVE-2026-18905?: CVE-2026-18905 is a high-severity vulnerability, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-09-04.
How severe is CVE-2026-18905?: High severity. CVSS v3 base score is 7.7 out of 10.