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CVE-2026-32871

🗓️ 02 Apr 2026 14:52:39Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 62 Views🌐 WEB

CVE-2026-32871: FastMCP OpenAPI provider before 3.2.0 enables authenticated traversal via unencoded path parameters.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-32871
2 Apr 202614:52
attackerkb
cgr
Chainguard
CVE-2026-32871 vulnerabilities
18 Jul 202614:17
cgr
circl
Circl
CVE-2026-32871
31 Mar 202614:42
circl
cnnvd
CNNVD
FastMCP 安全漏洞
2 Apr 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-32871 FastMCP OpenAPI Provider has an SSRF & Path Traversal Vulnerability
2 Apr 202614:52
cvelist
github
Github Security Blog
FastMCP OpenAPI Provider has an SSRF & Path Traversal Vulnerability
31 Mar 202622:53
github
nvd
NVD
CVE-2026-32871
2 Apr 202615:16
nvd
osv
OSV
CGA-3PPF-PP67-CW37
18 Jul 202613:09
osv
osv
OSV
ECHO-BD91-E96B-0EFC
13 May 202618:25
osv
osv
OSV
GHSA-VV7Q-7JX5-F767 FastMCP OpenAPI Provider has an SSRF & Path Traversal Vulnerability
31 Mar 202622:53
osv
Rows per page
NVD
Vulners
Node
jlowinfastmcpRange<3.2.0
[
  {
    "vendor": "PrefectHQ",
    "product": "fastmcp",
    "versions": [
      {
        "version": "< 3.2.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
user_idpath/api/v1/users/{user_id}Path parameter substitution without URL-encoding enables path traversal via urljoin leading to SSRF.CWE-918

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15 Jul 2026 02:20Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.5 - 10
CVSS 410
EPSS0.00909
SSVC
62