Server-Side Request Forgery (SSRF) in Azure MCP Server Tools - CVE-2026-26118
Published: March 10, 2026
Vulnerability identifier: #VU123722
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-26118
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in Azure MCP Server Tools. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
Azure MCP Server Tools
How to mitigate CVE-2026-26118
Install updates from vendor's website.
Azure MCP Server Tools - update to 2.0.0 beta.17