HOMEVULNERABILITIESCVE-2026-35568
MEDIUM

CVE-2026-35568

CWE-346Published: April 7, 2026· Updated: Apr 14, 2026

5.7
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:5.1th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-35568 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.7.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Vendors & Products

lfprojects1 product
mcp java sdk
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/modelcontextprotocol/java-sdk/security/advisories/GHSA-8jxr-pr72-r468

All References (2)

→
https://github.com/modelcontextprotocol/java-sdk/releases/tag/v1.0.0Release Notes
→
https://github.com/modelcontextprotocol/java-sdk/security/advisories/GHSA-8jxr-pr72-r468Vendor Advisory

Quick Facts

CVE IDCVE-2026-35568
CVSS Score5.7 / 10
SeverityMEDIUM
WeaknessCWE-346
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedApr 7, 2026

Related CVEs (CWE-346)

CVE-2026-42901
10.0
CVE-2026-6508
9.8
CVE-2026-44985
9.6
CVE-2026-2611
9.6
CVE-2026-11624
9.4
CVE-2026-54030
9.3

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-35568 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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