github - ghsa-qf9v-6rq4-3w87

GHSA-QF9V-6RQ4-3W87

Vulnerability from github – Published: 2025-12-03 18:30 – Updated: 2025-12-03 18:30

Details

In Splunk MCP Server app versions below 0.2.4, a user with access to the "run_splunk_query" Model Context Protocol (MCP) tool could bypass the SPL command allowlist controls in MCP by embedding SPL commands as sub-searches, leading to unauthorized actions beyond the intended MCP restrictions.

Severity ?

5.4 (Medium)


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

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JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-20381"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-03T17:15:50Z",
    "severity": "MODERATE"
  },
  "details": "In Splunk MCP Server app versions below 0.2.4, a user with access to the \"run_splunk_query\" Model Context Protocol (MCP) tool could bypass the SPL command allowlist controls in MCP by embedding SPL commands as sub-searches, leading to unauthorized actions beyond the intended MCP restrictions.",
  "id": "GHSA-qf9v-6rq4-3w87",
  "modified": "2025-12-03T18:30:25Z",
  "published": "2025-12-03T18:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20381"
    },
    {
      "type": "WEB",
      "url": "https://advisory.splunk.com/advisories/SVD-2025-1210"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-20381 (GCVE-0-2025-20381)

Vulnerability from cvelistv5 – Published: 2025-12-03 17:00 – Updated: 2025-12-03 21:29

Summary

Severity ?

5.4 (Medium)


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

CWE

CWE-863 - The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

Assigner

cisco

References

URL

Tags

https://advisory.splunk.com/advisories/SVD-2025-1210

Impacted products

	Vendor	Product	Version
	Splunk	Splunk MCP Server	Affected: 0.2 , < 0.2.4 (custom)

Credits

Saket Pandey, Splunk

Show details on NVD website

JSON

To clipboard

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                "timestamp": "2025-12-03T21:29:38.813869Z",
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-QF9V-6RQ4-3W87

CVE-2025-20381 (GCVE-0-2025-20381)

Tags

Sightings

Nomenclature