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CVE-2026-45609

HIGH · CVSS 7.2 EPSS 0.20% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-05-29 · Last synced: 2026-06-28

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

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CVE
CVE-2026-45609
Severity
HIGH
CVSS
7.2
EPSS
0.20%

Original NVD Description

mcp-security provides Security and Authorization support for Model Context Protocol in Spring AI. Prior to 0.1.9, the mcp-security framework fails to implement the mandatory SSRF mitigations outlined in the Model Context Protocol (MCP) security specifications. Specifically, it processes untrusted URLs for OAuth-related discovery and metadata without verifying if the targets are malicious or internal to the network. This only affects installations with Dynamic Client Registration (DCR) enabled This vulnerability is fixed in 0.1.9.