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    2 vulnerabilities by jeemok

    CVE-2026-57998 (GCVE-0-2026-57998)

    Vulnerability from nvd – Published: 2026-08-22 12:26 – Updated: 2026-08-22 12:26
    VLAI
    Title
    better-npm-audit OS Command Injection via registry flag
    Summary
    better-npm-audit through 3.11.0, and the 4.0.0-rc.2 prerelease, builds its npm audit command by interpolating the user-supplied --registry option into a command string in src/handlers/handleInput.ts without validation or quoting, then passes that string to child_process.exec() in index.ts, which spawns a shell. A registry value containing shell metacharacters such as a semicolon, pipe, or command substitution executes arbitrary operating system commands with the privileges of the process running the audit.
    Severity
    8.5 (High)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    7.8 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    jeemok better-npm-audit Affected: 0 , ≤ 3.11.0 (semver)
    Affected: 4.0.0-rc.2 (semver)
    		Create a notification for this product.
    Date Public
    2026-05-16 00:00
    Credits
    MD Mahmidul Hasan (BL4CK 570RM)
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/better-npm-audit",
          "product": "better-npm-audit",
          "vendor": "jeemok",
          "versions": [
            {
              "lessThanOrEqual": "3.11.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "4.0.0-rc.2",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "MD Mahmidul Hasan (BL4CK 570RM)"
        }
      ],
      "datePublic": "2026-05-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "better-npm-audit through 3.11.0, and the 4.0.0-rc.2 prerelease, builds its npm audit command by interpolating the user-supplied --registry option into a command string in src/handlers/handleInput.ts without validation or quoting, then passes that string to child_process.exec() in index.ts, which spawns a shell. A registry value containing shell metacharacters such as a semicolon, pipe, or command substitution executes arbitrary operating system commands with the privileges of the process running the audit."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-22T12:26:30.536Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #119",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/jeemok/better-npm-audit/issues/119"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/jeemok/better-npm-audit"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/jeemok/better-npm-audit/blob/fd99a0f41ff4342b8a0a6fdbe5a17261de3d0544/src/handlers/handleInput.ts#L30-L37"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/jeemok/better-npm-audit/blob/fd99a0f41ff4342b8a0a6fdbe5a17261de3d0544/index.ts#L34"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/jeemok/better-npm-audit/pull/120"
        },
        {
          "name": "VulnCheck Advisory: better-npm-audit OS Command Injection via registry flag",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/better-npm-audit-os-command-injection-via-registry-flag"
        }
      ],
      "title": "better-npm-audit OS Command Injection via registry flag",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-57998",
    "datePublished": "2026-08-22T12:26:30.536Z",
    "dateReserved": "2026-06-26T17:58:05.796Z",
    "dateUpdated": "2026-08-22T12:26:30.536Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-57998 (GCVE-0-2026-57998)

    Vulnerability from cvelistv5 – Published: 2026-08-22 12:26 – Updated: 2026-08-22 12:26
    VLAI
    Title
    better-npm-audit OS Command Injection via registry flag
    Summary
    better-npm-audit through 3.11.0, and the 4.0.0-rc.2 prerelease, builds its npm audit command by interpolating the user-supplied --registry option into a command string in src/handlers/handleInput.ts without validation or quoting, then passes that string to child_process.exec() in index.ts, which spawns a shell. A registry value containing shell metacharacters such as a semicolon, pipe, or command substitution executes arbitrary operating system commands with the privileges of the process running the audit.
    Severity
    8.5 (High)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    7.8 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    jeemok better-npm-audit Affected: 0 , ≤ 3.11.0 (semver)
    Affected: 4.0.0-rc.2 (semver)
    		Create a notification for this product.
    Date Public
    2026-05-16 00:00
    Credits
    MD Mahmidul Hasan (BL4CK 570RM)
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/better-npm-audit",
          "product": "better-npm-audit",
          "vendor": "jeemok",
          "versions": [
            {
              "lessThanOrEqual": "3.11.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "4.0.0-rc.2",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "MD Mahmidul Hasan (BL4CK 570RM)"
        }
      ],
      "datePublic": "2026-05-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "better-npm-audit through 3.11.0, and the 4.0.0-rc.2 prerelease, builds its npm audit command by interpolating the user-supplied --registry option into a command string in src/handlers/handleInput.ts without validation or quoting, then passes that string to child_process.exec() in index.ts, which spawns a shell. A registry value containing shell metacharacters such as a semicolon, pipe, or command substitution executes arbitrary operating system commands with the privileges of the process running the audit."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-22T12:26:30.536Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #119",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/jeemok/better-npm-audit/issues/119"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/jeemok/better-npm-audit"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/jeemok/better-npm-audit/blob/fd99a0f41ff4342b8a0a6fdbe5a17261de3d0544/src/handlers/handleInput.ts#L30-L37"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/jeemok/better-npm-audit/blob/fd99a0f41ff4342b8a0a6fdbe5a17261de3d0544/index.ts#L34"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/jeemok/better-npm-audit/pull/120"
        },
        {
          "name": "VulnCheck Advisory: better-npm-audit OS Command Injection via registry flag",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/better-npm-audit-os-command-injection-via-registry-flag"
        }
      ],
      "title": "better-npm-audit OS Command Injection via registry flag",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-57998",
    "datePublished": "2026-08-22T12:26:30.536Z",
    "dateReserved": "2026-06-26T17:58:05.796Z",
    "dateUpdated": "2026-08-22T12:26:30.536Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}