Vulnerability-Lookup

GHSA-GFH8-GFV4-8H9V

Vulnerability from github – Published: 2026-01-16 00:30 – Updated: 2026-01-16 00:30

Details

Laravel Valet versions 1.1.4 to 2.0.3 contain a local privilege escalation vulnerability that allows users to modify the valet command with root privileges. Attackers can edit the symlinked valet command to execute arbitrary code with root permissions without additional authentication.

Severity ?

8.4 (High)


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

8.4 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-47756"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-732"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-16T00:16:20Z",
    "severity": "HIGH"
  },
  "details": "Laravel Valet versions 1.1.4 to 2.0.3 contain a local privilege escalation vulnerability that allows users to modify the valet command with root privileges. Attackers can edit the symlinked valet command to execute arbitrary code with root permissions without additional authentication.",
  "id": "GHSA-gfh8-gfv4-8h9v",
  "modified": "2026-01-16T00:30:54Z",
  "published": "2026-01-16T00:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47756"
    },
    {
      "type": "WEB",
      "url": "https://laravel.com/docs/8.x/valet"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/50591"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/laravel-valet-local-privilege-escalation-macos"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2021-47756 (GCVE-0-2021-47756)

Vulnerability from cvelistv5 – Published: 2026-01-15 23:25 – Updated: 2026-01-16 16:15

Title

Laravel Valet 2.0.3 - Local Privilege Escalation (macOS)

Summary

Severity ?

8.4 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.4 (High)


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

CWE

CWE-732 - Incorrect Permission Assignment for Critical Resource

Assigner

VulnCheck

References

URL

Tags

	https://www.exploit-db.com/exploits/50591	exploit
	https://laravel.com/docs/8.x/valet	product
	https://www.vulncheck.com/advisories/laravel-vale…	third-party-advisory

Impacted products

	Vendor	Product	Version
	Laravel	Laravel Valet	Affected: 1.1.4 to 2.0.3

Credits

leonjza

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47756",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-16T16:15:32.254651Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-16T16:15:38.890Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Laravel Valet",
          "vendor": "Laravel",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.4 to 2.0.3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "leonjza"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Laravel Valet versions 1.1.4 to 2.0.3 contain a local privilege escalation vulnerability that allows users to modify the valet command with root privileges. Attackers can edit the symlinked valet command to execute arbitrary code with root permissions without additional authentication."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "HIGH",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-732",
              "description": "Incorrect Permission Assignment for Critical Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-15T23:25:35.938Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "ExploitDB-50591",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/50591"
        },
        {
          "name": "Laravel Valet Official Documentation",
          "tags": [
            "product"
          ],
          "url": "https://laravel.com/docs/8.x/valet"
        },
        {
          "name": "VulnCheck Advisory: Laravel Valet 2.0.3 - Local Privilege Escalation (macOS)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/laravel-valet-local-privilege-escalation-macos"
        }
      ],
      "title": "Laravel Valet 2.0.3 - Local Privilege Escalation (macOS)",
      "x_generator": {
        "engine": "vulncheck"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2021-47756",
    "datePublished": "2026-01-15T23:25:35.938Z",
    "dateReserved": "2026-01-10T16:58:28.313Z",
    "dateUpdated": "2026-01-16T16:15:38.890Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-GFH8-GFV4-8H9V

CVE-2021-47756 (GCVE-0-2021-47756)

Tags

Sightings

Nomenclature