mcp-core CVEs | Waratek

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Overview 2 matches · 0 protected · 0 exploited · 0 CISA KEV · 0 public PoC · 0 EPSS ≥ 0.5

2matches 0protected0.0% 0exploited0.0% 0CISA KEV0.0% 0public PoC0.0% 0EPSS ≥ 0.50.0%

Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 2 100.0% Outside Waratek scope 0 0.0% Not applicable 0 0.0% Withdrawn CVE 0 0.0%

Critical 0 0.0% High 1 50.0% Medium 1 50.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%

blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 2 100.0% not established 0 0.0% unrecorded 0 0.0%

Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 0 0.0% Forecast only 0 0.0% No public exploit 2 100.0%

split by StatusSeverityProtectionExploit maturity peak 1 / month

Mar 261 No exploit published1 Medium1 not blocked1 No public exploit1 Apr 261 No exploit published1 High1 not blocked1 No public exploit1

Mar 26Apr 26

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CVE	Severity	Published▾	Status	Exploitation	Description
CVE-2026-35568	High	2026-04-07	No exploit published	No public exploit	MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to 1.0.0, the java-sdk contains a DNS rebinding vulnerability. This vulnerability allows an attacker to access a locally or network-private java-sdk MCP server via a victims browser that is either local, or network adjacent. This allows an attacker to make any tool call to the server as if they were a locally running MCP connected AI agent. This vulnerability is fixed in 1.0.0.
CVE-2026-34237	Medium	2026-03-31	No exploit published	No public exploit	MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1.

CVE

Severity

Published▾

Status

Exploitation

Description

CVE-2026-35568

High

2026-04-07

No exploit published

No public exploit

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to 1.0.0, the java-sdk contains a DNS rebinding vulnerability. This vulnerability allows an attacker to access a locally or network-private java-sdk MCP server via a victims browser that is either local, or network adjacent. This allows an attacker to make any tool call to the server as if they were a locally running MCP connected AI agent. This vulnerability is fixed in 1.0.0.

CVE-2026-34237

Medium

2026-03-31

No exploit published

No public exploit

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1.