FKIE_CVE-2026-4819

Vulnerability from fkie_nvd - Published: 2026-03-31 16:16 - Updated: 2026-04-03 13:49
Severity ?
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
In Search Guard FLX versions from 1.0.0 up to 4.0.1, the audit logging feature might log user credentials from users logging into Kibana.
References
security@search-guard.comhttps://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0Release Notes
security@search-guard.comhttps://search-guard.com/cve-advisory/Vendor Advisory
Impacted products
Vendor Product Version
search-guard flx *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:search-guard:flx:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "625754E5-C0D5-4F0A-8788-B31527465BC1",
              "versionEndExcluding": "4.1.0",
              "versionStartIncluding": "1.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Search Guard FLX versions from 1.0.0 up to 4.0.1, the audit logging feature might log user credentials from users logging into Kibana."
    }
  ],
  "id": "CVE-2026-4819",
  "lastModified": "2026-04-03T13:49:07.970",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 3.6,
        "source": "security@search-guard.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-03-31T16:16:34.730",
  "references": [
    {
      "source": "security@search-guard.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0"
    },
    {
      "source": "security@search-guard.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://search-guard.com/cve-advisory/"
    }
  ],
  "sourceIdentifier": "security@search-guard.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-522"
        },
        {
          "lang": "en",
          "value": "CWE-532"
        }
      ],
      "source": "security@search-guard.com",
      "type": "Secondary"
    }
  ]
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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