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.
References (1)
Core 1
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/spring-ai-community/mcp-security/security/advisories/GHSA-qjp4-4jvr-xqg3
Scores
CVSS v3
7.2
EPSS
0.0020
EPSS Percentile
9.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-918
Status
published
Products (3)
org.springaicommunity/mcp-client-security
0 - 0.1.9Maven
spring-ai-community/mcp-security
< 0.1.9
springaicommunity/mcp_security
0.1.0 - 0.1.9
Published
May 29, 2026
Tracked Since
May 29, 2026