SSRF in Microsoft Azure Mcp Server Tools 1.0.0 (Npm)
CVE-2026-26118
Server-side request forgery (ssrf) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.000 (15.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Azure Mcp Server Tools 1.0.0 (Npm) — versions 1.0.0
- Microsoft Azure Mcp Server Tools 1.0.0 (Nuget) — versions 1.0.0
- Microsoft Azure Mcp Server Tools 2.0.0 (Npm) — versions 2.0.0-beta.1
- Microsoft Azure Mcp Server Tools 2.0.0 (Nuget) — versions 2.0.0-beta.1
- Microsoft Azure Mcp Server Tools 2.0.0 (Pypi) — versions 2.0.0-beta.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Azure MCP Server Tools Elevation of Privilege Vulnerability (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-26118?
- CVE-2026-26118 is a high-severity vulnerability in Microsoft Azure Mcp Server Tools 1.0.0 (Npm), classified under Server-Side Request Forgery (SSRF). CVSS score: 8.8/10. Published 2026-03-10.
- How severe is CVE-2026-26118?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2026-26118 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.