Vulnerability-Lookup

GHSA-F74P-CWHP-X2WX

Vulnerability from github – Published: 2026-06-22 15:30 – Updated: 2026-06-22 15:30

Details

The Loki datasource plugin's callResource handler contains a path traversal vulnerability. An authenticated Viewer-role user can escape the plugin's resource sandbox and access administrative Loki endpoints (e.g. /config, /services, /ready) to extract sensitive backend configuration and internal service information.

Severity

7.7 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-42129"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-22T14:17:36Z",
    "severity": "HIGH"
  },
  "details": "The Loki datasource plugin\u0027s callResource handler contains a path traversal vulnerability. An authenticated Viewer-role user can escape the plugin\u0027s resource sandbox and access administrative Loki endpoints (e.g. /config, /services, /ready) to extract sensitive backend configuration and internal service information.",
  "id": "GHSA-f74p-cwhp-x2wx",
  "modified": "2026-06-22T15:30:43Z",
  "published": "2026-06-22T15:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42129"
    },
    {
      "type": "WEB",
      "url": "https://grafana.com/security/security-advisories/cve-2026-42129"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-42129 (GCVE-0-2026-42129)

Vulnerability from cvelistv5 – Published: 2026-06-22 13:18 – Updated: 2026-07-10 18:44

Title

Path traversal in the Loki data source plugin

Summary

A user with Viewer permissions can use a path traversal in the Loki data source plugin to reach administrative Loki endpoints and read sensitive backend configuration and internal service information.

Severity

7.7 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-22
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GRAFANA

References

1 reference

URL	Tags
https://grafana.com/security/security-advisories/…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Grafana	Grafana OSS	Affected: 11.6.0 , ≤ 11.6.14 (semver) Affected: 12.2.0 , ≤ 12.2.8 (semver) Affected: 12.3.0 , ≤ 12.3.6 (semver) Affected: 12.4.0 , ≤ 12.4.3 (semver) Affected: 13.0.0 , ≤ 13.0.1 (semver)

Date Public

2026-06-09 00:00

Credits

khanmarshal (Researcher)

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JSON

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    "adp": [
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            "other": {
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                "id": "CVE-2026-42129",
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                  },
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                    "Technical Impact": "partial"
                  }
                ],
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                "timestamp": "2026-06-22T15:44:32.401117Z",
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                "lang": "en",
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          "dateUpdated": "2026-06-24T15:56:38.488Z",
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-F74P-CWHP-X2WX

CVE-2026-42129 (GCVE-0-2026-42129)

Tags

Sightings

Nomenclature