Lucene search
+L

CVE-2026-108859

🗓️ 11 Oct 2026 13:26:06Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Unauthenticated remote DoS in mcp-go StreamableHTTPServer.ServeHTTP via oversized POST bodies.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-108859
11 Oct 202613:43
–circl
cvelist
Cvelist
CVE-2026-108859 mcp-go through 1.2.1 Denial of Service via Unbounded POST Body Buffering
11 Oct 202613:26
–cvelist
nvd
NVD
CVE-2026-108859
11 Oct 202614:17
–nvd
Vulners
Node
mark3labsmcp-goRange0–1.2.1
[
  {
    "vendor": "mark3labs",
    "product": "mcp-go",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "1.2.1",
        "versionType": "semver"
      }
    ],
    "packageURL": "pkg:golang/github.com/mark3labs/mcp-go",
    "repo": "https://github.com/mark3labs/mcp-go"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

11 Oct 2026 14:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 48.7
1