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01 Record

CVE-2026-108395

Model Context Protocol Java SDK HTTP server transports allow memory exhaustion through unbounded request bodies

HighPUBLISHEDCNA: GitHub_M
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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02 Description

Model Context Protocol Java SDK HTTP server transports allow memory exhaustion through unbounded request bodies

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.60% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 48.4% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-16.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-14 17:46Z15 DAYS AGO
Last updated
2026-10-14 19:29Z14 DAYS AGO
Reserved
2026-10-09
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-770Allocation of Resources Without Limits or ThrottlingBase
Data version
5.2
Document digest
6670c36c9838dea346f128483f2587a595308d731a2cfa9c3c3fac7aa89f858e

05 Affected products

VendorProductVersionsPlatforms
modelcontextprotocolio.modelcontextprotocol.sdk:mcp>= 0.8.0, < 0.13.0—
modelcontextprotocolio.modelcontextprotocol.sdk:mcp-core>= 0.13.0, < 0.18.4, >= 1.0.0, < 1.1.4, >= 2.0.0-M1, < 2.0.1—

06 References