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    2 vulnerabilities found for GoatCounter by arp242

    CVE-2026-108740 (GCVE-0-2026-108740)

    Vulnerability from nvd – Published: 2026-10-11 12:19 – Updated: 2026-10-11 12:19
    VLAI
    Title
    GoatCounter through 2.7.0 Privilege Escalation via /user/pref Mass Assignment
    Summary
    GoatCounter through 2.7.0 contains a mass assignment privilege escalation vulnerability in the userPrefSave handler that allows logged-in users to modify protected account fields via form-encoded requests. Attackers with read-only access can POST user.access[all]=* and user.email_verified=true to /user/pref, bypassing readonly tags to gain superuser or admin access.
    Severity
    7.2 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
    8.3 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
    CWE
    • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 5499 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    arp242 GoatCounter Affected: 0 , ≤ 2.7.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-10-10 00:00
    Credits
    HaiND from the Post and Telecommunication Institute of Technology
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/arp242/goatcounter",
          "product": "GoatCounter",
          "repo": "https://github.com/arp242/goatcounter",
          "vendor": "arp242",
          "versions": [
            {
              "lessThanOrEqual": "2.7.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "HaiND from the Post and Telecommunication Institute of Technology"
        }
      ],
      "datePublic": "2026-10-10T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "GoatCounter through 2.7.0 contains a mass assignment privilege escalation vulnerability in the userPrefSave handler that allows logged-in users to modify protected account fields via form-encoded requests. Attackers with read-only access can POST user.access[all]=* and user.email_verified=true to /user/pref, bypassing readonly tags to gain superuser or admin access."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-915",
              "description": "Improperly Controlled Modification of Dynamically-Determined Object Attributes",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-11T12:19:44.911Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://hackmd.io/@haind03/goatcounter-user-pref-access-mass-assignment-20261011"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/arp242/goatcounter/blob/7e91d8a9bdbb0dd48496e498c5680f8f3477a1b4/handlers/settings_user.go#L33-L99"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/arp242/goatcounter/blob/7e91d8a9bdbb0dd48496e498c5680f8f3477a1b4/user.go#L191-L218"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/arp242/goatcounter"
        },
        {
          "name": "VulnCheck Advisory: GoatCounter through 2.7.0 Privilege Escalation via /user/pref Mass Assignment",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/goatcounter-through-2.7.0-privilege-escalation-via-user-pref-mass-assignment"
        }
      ],
      "title": "GoatCounter through 2.7.0 Privilege Escalation via /user/pref Mass Assignment",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-108740",
    "datePublished": "2026-10-11T12:19:44.911Z",
    "dateReserved": "2026-10-11T01:52:55.041Z",
    "dateUpdated": "2026-10-11T12:19:44.911Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-108740 (GCVE-0-2026-108740)

    Vulnerability from cvelistv5 – Published: 2026-10-11 12:19 – Updated: 2026-10-11 12:19
    VLAI
    Title
    GoatCounter through 2.7.0 Privilege Escalation via /user/pref Mass Assignment
    Summary
    GoatCounter through 2.7.0 contains a mass assignment privilege escalation vulnerability in the userPrefSave handler that allows logged-in users to modify protected account fields via form-encoded requests. Attackers with read-only access can POST user.access[all]=* and user.email_verified=true to /user/pref, bypassing readonly tags to gain superuser or admin access.
    Severity
    7.2 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
    8.3 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
    CWE
    • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 5499 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    arp242 GoatCounter Affected: 0 , ≤ 2.7.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-10-10 00:00
    Credits
    HaiND from the Post and Telecommunication Institute of Technology
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/arp242/goatcounter",
          "product": "GoatCounter",
          "repo": "https://github.com/arp242/goatcounter",
          "vendor": "arp242",
          "versions": [
            {
              "lessThanOrEqual": "2.7.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "HaiND from the Post and Telecommunication Institute of Technology"
        }
      ],
      "datePublic": "2026-10-10T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "GoatCounter through 2.7.0 contains a mass assignment privilege escalation vulnerability in the userPrefSave handler that allows logged-in users to modify protected account fields via form-encoded requests. Attackers with read-only access can POST user.access[all]=* and user.email_verified=true to /user/pref, bypassing readonly tags to gain superuser or admin access."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-915",
              "description": "Improperly Controlled Modification of Dynamically-Determined Object Attributes",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-11T12:19:44.911Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://hackmd.io/@haind03/goatcounter-user-pref-access-mass-assignment-20261011"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/arp242/goatcounter/blob/7e91d8a9bdbb0dd48496e498c5680f8f3477a1b4/handlers/settings_user.go#L33-L99"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/arp242/goatcounter/blob/7e91d8a9bdbb0dd48496e498c5680f8f3477a1b4/user.go#L191-L218"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/arp242/goatcounter"
        },
        {
          "name": "VulnCheck Advisory: GoatCounter through 2.7.0 Privilege Escalation via /user/pref Mass Assignment",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/goatcounter-through-2.7.0-privilege-escalation-via-user-pref-mass-assignment"
        }
      ],
      "title": "GoatCounter through 2.7.0 Privilege Escalation via /user/pref Mass Assignment",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-108740",
    "datePublished": "2026-10-11T12:19:44.911Z",
    "dateReserved": "2026-10-11T01:52:55.041Z",
    "dateUpdated": "2026-10-11T12:19:44.911Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}