Vulnerability-Lookup

CVE-2026-19753 (GCVE-0-2026-19753)

Vulnerability from cvelistv5 – Published: 2026-08-13 22:15 – Updated: 2026-08-14 15:54

Title

Model Context Protocol mcp-rdf-explorer MCP Server server.py explore_url server-side request forgery

Summary

A vulnerability was detected in Model Context Protocol mcp-rdf-explorer 1.0.0. Affected is the function explore_url of the file src/mcp-rdf-explorer/server.py of the component MCP Server. Performing a manipulation of the argument url results in server-side request forgery. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

7.3 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-14 15:50 UTC

CWE

CWE-918 - Server-Side Request Forgery

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/389554	vdb-entrytechnical-description
https://vuldb.com/vuln/389554/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19753	third-party-advisory
https://vuldb.com/submit/868954	third-party-advisory
https://github.com/emekaokoye/mcp-rdf-explorer/issues/3	exploitissue-tracking

Impacted products

1 product

Vendor	Product	Version	CPE status
Model Context Protocol	mcp-rdf-explorer	Affected: 1.0.0 cpe:2.3:a:model_context_protocol:mcp-rdf-explorer::::::::

Credits

skywings (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-19753

Vulnerability from fkie_nvd - Published: 2026-08-13 23:17 - Updated: 2026-08-14 19:09

Severity

7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/emekaokoye/mcp-rdf-explorer/issues/3
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-19753
	cna@vuldb.com	https://vuldb.com/submit/868954
	cna@vuldb.com	https://vuldb.com/vuln/389554
	cna@vuldb.com	https://vuldb.com/vuln/389554/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19753",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-14T15:50:08.038966Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-13T23:17:14.440",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/emekaokoye/mcp-rdf-explorer/issues/3"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-19753"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/868954"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/389554"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/389554/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-274V-3MGV-HG6C

Vulnerability from github – Published: 2026-08-14 00:32 – Updated: 2026-08-14 00:32

Details

Severity

7.3 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

5.5 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19753"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-13T23:17:14Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was detected in Model Context Protocol mcp-rdf-explorer 1.0.0. Affected is the function explore_url of the file src/mcp-rdf-explorer/server.py of the component MCP Server. Performing a manipulation of the argument url results in server-side request forgery. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-274v-3mgv-hg6c",
  "modified": "2026-08-14T00:32:04Z",
  "published": "2026-08-14T00:32:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19753"
    },
    {
      "type": "WEB",
      "url": "https://github.com/emekaokoye/mcp-rdf-explorer/issues/3"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19753"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/868954"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/389554"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/389554/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-19753 (GCVE-0-2026-19753)

FKIE_CVE-2026-19753

GHSA-274V-3MGV-HG6C

Tags

Sightings

Nomenclature