Vulnerability-Lookup

GHSA-FVF9-F2MX-M7QP

Vulnerability from github – Published: 2026-08-18 09:30 – Updated: 2026-08-19 15:32

Details

SSRF via set_skywalking_url Tool and GraphQL expression injection vulnerability in Apache SkyWalking MCP.

This issue affects Apache SkyWalking MCP: 0.1.0.

Users are recommended to upgrade to version 0.2.0, which fixes this issue.

Severity

9.8 (Critical)


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

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JSON

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  "affected": [],
  "aliases": [
    "CVE-2026-34884"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-18T08:16:42Z",
    "severity": "CRITICAL"
  },
  "details": "SSRF via set_skywalking_url Tool and GraphQL expression injection vulnerability in Apache SkyWalking MCP.\n\n\n\n\n\nThis issue affects Apache SkyWalking MCP: 0.1.0.\n\nUsers are recommended to upgrade to version 0.2.0, which fixes this issue.",
  "id": "GHSA-fvf9-f2mx-m7qp",
  "modified": "2026-08-19T15:32:02Z",
  "published": "2026-08-18T09:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34884"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/s447p6h5dfr02lx17v27phoksgb8mkkp"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/04/13/5"
    }
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  "schema_version": "1.4.0",
  "severity": [
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      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-34884 (GCVE-0-2026-34884)

Vulnerability from cvelistv5 – Published: 2026-08-18 07:26 – Updated: 2026-08-19 13:28

Title

Apache SkyWalking MCP: SSRF via set_skywalking_url Tool and GraphQL Expression Injection in MCP Server

Summary

SSRF via set_skywalking_url Tool and GraphQL expression injection vulnerability in Apache SkyWalking MCP. This issue affects Apache SkyWalking MCP: 0.1.0. Users are recommended to upgrade to version 0.2.0, which fixes this issue.

Severity

9.8 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 13:26 UTC

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1085 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/s447p6h5dfr02lx17…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/04/13/5

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache SkyWalking MCP	Affected: 0.1.0 (semver)

Credits

Andrea Cosentino <ancosen@gmail.com>

Show details on NVD website

JSON

To clipboard

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  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2026-08-18T08:14:15.362Z",
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            "url": "http://www.openwall.com/lists/oss-security/2026/04/13/5"
          }
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        "title": "CVE Program Container"
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              "attackComplexity": "LOW",
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              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
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            "other": {
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                "id": "CVE-2026-34884",
                "options": [
                  {
                    "Exploitation": "none"
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                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-19T13:26:50.299625Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        },
        "title": "CISA ADP Vulnrichment"
      }
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    "cna": {
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          "defaultStatus": "unaffected",
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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.

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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.
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