CRITICALNuGet →
Azure MCP Server has Server-Side Request Forgery issue that allows authorized attacker to elevate privileges over a network
Azure MCP Server has Server-Side Request Forgery issue that allows authorized attacker to elevate privileges over a network
Affected packages
- @azure/mcp
- Azure.Mcp— 2.0.0-beta.1 → 2.0.0-beta.17
- msmcp-azure— 2.0.0b14 → 2.0.0b17
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-26118
- https://github.com/microsoft/mcp/commit/804ff60293206c4d8e832f772097238561bf2c34
- https://github.com/microsoft/mcp
- https://github.com/microsoft/mcp/releases/tag/Azure.Mcp.Server-1.0.2
- https://github.com/microsoft/mcp/releases/tag/Azure.Mcp.Server-2.0.0-beta.17
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26118
Structured record: https://osv.dev/vulnerability/GHSA-hhfx-wfvq-7g9c
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