FKIE_CVE-2026-5051

Vulnerability from fkie_nvd - Published: 2026-07-01 18:16 - Updated: 2026-07-02 17:54
Severity ?
4.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Summary
HashiCorp Vault and Vault Enterprise prior to 2.0.1 audit device validation logic did not consistently apply plugin directory protections when the legacy file audit path option was used. This vulnerability (CVE-2026-5051) is fixed in 2.0.1, 1.21.6, 1.20.11, and 1.19.17.
References
security@hashicorp.comhttps://discuss.hashicorp.com/t/hcsec-2026-16-vault-audit-device-plugin-directory-guard-bypass-via-legacy-path-option/77536
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "product": "Vault",
          "repo": "https://github.com/hashicorp/vault",
          "vendor": "HashiCorp",
          "versions": [
            {
              "changes": [
                {
                  "at": "1.20.11",
                  "status": "unaffected"
                },
                {
                  "at": "1.21.6",
                  "status": "unaffected"
                },
                {
                  "at": "2.0.1",
                  "status": "unaffected"
                }
              ],
              "lessThan": "2.0.1",
              "status": "affected",
              "version": "1.20.1",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "product": "Vault Enterprise",
          "repo": "https://github.com/hashicorp/vault",
          "vendor": "HashiCorp",
          "versions": [
            {
              "changes": [
                {
                  "at": "1.19.17",
                  "status": "unaffected"
                },
                {
                  "at": "1.20.11",
                  "status": "unaffected"
                },
                {
                  "at": "1.21.6",
                  "status": "unaffected"
                },
                {
                  "at": "2.0.1",
                  "status": "unaffected"
                }
              ],
              "lessThan": "2.0.1",
              "status": "affected",
              "version": "1.19.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@hashicorp.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "HashiCorp Vault and Vault Enterprise prior to 2.0.1 audit device validation logic did not consistently apply plugin directory protections when the legacy file audit path option was used. \n\nThis vulnerability (CVE-2026-5051) is fixed in 2.0.1, 1.21.6, 1.20.11, and 1.19.17."
    }
  ],
  "id": "CVE-2026-5051",
  "lastModified": "2026-07-02T17:54:27.573",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 0.7,
        "impactScore": 3.6,
        "source": "security@hashicorp.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-5051",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-01T17:54:21.733151Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-01T18:16:36.227",
  "references": [
    {
      "source": "security@hashicorp.com",
      "url": "https://discuss.hashicorp.com/t/hcsec-2026-16-vault-audit-device-plugin-directory-guard-bypass-via-legacy-path-option/77536"
    }
  ],
  "sourceIdentifier": "security@hashicorp.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "security@hashicorp.com",
      "type": "Secondary"
    }
  ]
}


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