gcdRadar
archive/Patch now/AIR-2026-1098
closedclosed 29 May 2026Patch now2 Disclosed vulnerabilityAI

Spring AI mcp-security Lacks Mandatory SSRF Mitigations

mcp-security, Spring AI

Prior to version 0.1.9, the mcp-security framework in Spring AI fails to implement required SSRF mitigations for OAuth discovery URLs. This leaves deployments with Dynamic Client Registration enabled vulnerable to malicious internal or external URLs.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
7.2
EPSS
<0.01 · top 90% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
29 May 2026
last update
29 May 2026
CVE ids
CVE-2026-45609other records

Timeline · 1

  1. 29 May 2026CVE-2026-45609: mcp-security provides Security and Authorization support for Model Context Protocol in Spring AI.

Sources · 1

Advisories and databases

  1. 2026-05-29
    CVE-2026-45609: mcp-security provides Security and Authorization support for Model Context Protocol in Spring AI.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-45609

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
ssrfmodel-context-protocol
dates
happened 29 May 2026 · first reported 29 May 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# Spring AI mcp-security Lacks Mandatory SSRF Mitigations

https://gcdradar.vercel.app/incidents/spring-ai-mcp-security-lacks-mandatory-ssrf-mitigations · AIR-2026-1098 · closed 2026-05-29

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-05-29
- AI role: Attack on AI
- Products: mcp-security, Spring AI
- CVE ids: CVE-2026-45609
- CVSS: 7.2

## Summary

Prior to version 0.1.9, the mcp-security framework in Spring AI fails to implement required SSRF mitigations for OAuth discovery URLs. This leaves deployments with Dynamic Client Registration enabled vulnerable to malicious internal or external URLs.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-05-29: CVE-2026-45609: mcp-security provides Security and Authorization support for Model Context Protocol in Spring AI. (https://nvd.nist.gov/vuln/detail/CVE-2026-45609)

## Sources

- 2026-05-29 NVD: CVE-2026-45609: mcp-security provides Security and Authorization support for Model Context Protocol in Spring AI. https://nvd.nist.gov/vuln/detail/CVE-2026-45609

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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