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archive/Patch now/AIR-2026-0323
closedclosed 14 Oct 2026Patch now2 Disclosed vulnerabilityAI

Model Context Protocol Java SDK Unbounded Request Body Vulnerability

Model Context Protocol Java SDK

The Model Context Protocol Java SDK fails to enforce size limits on HTTP request bodies across multiple transports, enabling remote memory exhaustion. Vendors have issued updates to resolve the flaw.

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
7.5
EPSS
0.01 · top 51% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
14 Oct 2026
last update
14 Oct 2026
CVE ids
CVE-2026-108395other records

Timeline · 1

  1. 14 Oct 2026CVE-2026-108395: The Model Context Protocol Java SDK is the official Java SDK for Model Context Protocol servers and clients.

Sources · 1

Advisories and databases

  1. 2026-10-14
    CVE-2026-108395: The Model Context Protocol Java SDK is the official Java SDK for Model Context Protocol servers and clients.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-108395

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
mcpjava
dates
happened 14 Oct 2026 · first reported 14 Oct 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 06:33Z · updated 2026-10-18 06:33Z

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
# Model Context Protocol Java SDK Unbounded Request Body Vulnerability

https://gcdradar.vercel.app/incidents/model-context-protocol-java-sdk-unbounded-request-body-vulne · AIR-2026-0323 · closed 2026-10-14

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-10-14
- AI role: Attack on AI
- Products: Model Context Protocol Java SDK
- CVE ids: CVE-2026-108395
- CVSS: 7.5

## Summary

The Model Context Protocol Java SDK fails to enforce size limits on HTTP request bodies across multiple transports, enabling remote memory exhaustion. Vendors have issued updates to resolve the flaw.

## What to do

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

## Latest updates

- 2026-10-14: CVE-2026-108395: The Model Context Protocol Java SDK is the official Java SDK for Model Context Protocol servers and clients. (https://nvd.nist.gov/vuln/detail/CVE-2026-108395)

## Sources

- 2026-10-14 NVD: CVE-2026-108395: The Model Context Protocol Java SDK is the official Java SDK for Model Context Protocol servers and clients. https://nvd.nist.gov/vuln/detail/CVE-2026-108395

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

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