CVE Explorer
CVE-2026-45609
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 Th
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"mcp-security","vendor":"spring-ai-community","versions":[{"status":"affected","version":"< 0.1.9"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e1a1557ea7caf17cf2ea9ee219bd4c5ce9a9186af44f0c7ba488a5d6bf61a471 · sha256:698a052f047f273a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e1a1557ea7caf17cf2ea9ee219bd4c5ce9a9186af44f0c7ba488a5d6bf61a471 · sha256:698a052f047f273a… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:e1a1557ea7caf17cf2ea9ee219bd4c5ce9a9186af44f0c7ba488a5d6bf61a471 · sha256:698a052f047f273a… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/spring-ai-community/mcp-security/security/advisories/GHSA-qjp4-4jvr-xqg3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/spring-ai-community/mcp-security/security/advisories/GHSA-qjp4-4jvr-xqg3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e1a1557ea7caf17cf2ea9ee219bd4c5ce9a9186af44f0c7ba488a5d6bf61a471 · sha256:698a052f047f273a… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.