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    2 vulnerabilities found for portmaster by safing

    CVE-2026-111664 (GCVE-0-2026-111664)

    Vulnerability from nvd – Published: 2026-10-16 17:39 – Updated: 2026-10-16 17:39
    VLAI
    Title
    Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url
    Summary
    Safing Portmaster before 2.2.5 contains a missing authorization vulnerability that allows unprivileged local processes to force updates by calling the POST /api/v1/updates/from-url endpoint registered with api.PermitAnyone. Attackers can supply an attacker-controlled index URL that bypasses version checks and auto-apply settings, installing older Safing-signed releases carrying previously fixed vulnerabilities.
    Severity
    4.8 (Medium)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
    4.4 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6489 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    safing portmaster Affected: 0 , < 2.2.5 (custom)
    		Create a notification for this product.
    Date Public
    2026-10-15 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/safing/portmaster",
          "product": "portmaster",
          "repo": "https://github.com/safing/portmaster",
          "vendor": "safing",
          "versions": [
            {
              "lessThan": "2.2.5",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "George Chen"
        }
      ],
      "datePublic": "2026-10-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Safing Portmaster before 2.2.5 contains a missing authorization vulnerability that allows unprivileged local processes to force updates by calling the POST /api/v1/updates/from-url endpoint registered with api.PermitAnyone. Attackers can supply an attacker-controlled index URL that bypasses version checks and auto-apply settings, installing older Safing-signed releases carrying previously fixed vulnerabilities."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-16T17:39:27.588Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/safing/portmaster/issues/2292"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/safing/portmaster/blob/v2.2.3/service/core/api.go#L145-L159"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/safing/portmaster/commit/f943e1eaf98f45bc48490bf288e1d63c04929ae0"
        },
        {
          "name": "portmaster v2.2.5 Release Notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/safing/portmaster/releases/tag/v2.2.5"
        },
        {
          "name": "VulnCheck Advisory: Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/safing-portmaster-before-2.2.5-unauthenticated-forced-downgrade-via-api-v1-updates-from-url"
        }
      ],
      "title": "Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-111664",
    "datePublished": "2026-10-16T17:39:27.588Z",
    "dateReserved": "2026-10-16T14:31:16.778Z",
    "dateUpdated": "2026-10-16T17:39:27.588Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-111664 (GCVE-0-2026-111664)

    Vulnerability from cvelistv5 – Published: 2026-10-16 17:39 – Updated: 2026-10-16 17:39
    VLAI
    Title
    Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url
    Summary
    Safing Portmaster before 2.2.5 contains a missing authorization vulnerability that allows unprivileged local processes to force updates by calling the POST /api/v1/updates/from-url endpoint registered with api.PermitAnyone. Attackers can supply an attacker-controlled index URL that bypasses version checks and auto-apply settings, installing older Safing-signed releases carrying previously fixed vulnerabilities.
    Severity
    4.8 (Medium)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
    4.4 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6489 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    safing portmaster Affected: 0 , < 2.2.5 (custom)
    		Create a notification for this product.
    Date Public
    2026-10-15 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/safing/portmaster",
          "product": "portmaster",
          "repo": "https://github.com/safing/portmaster",
          "vendor": "safing",
          "versions": [
            {
              "lessThan": "2.2.5",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "George Chen"
        }
      ],
      "datePublic": "2026-10-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Safing Portmaster before 2.2.5 contains a missing authorization vulnerability that allows unprivileged local processes to force updates by calling the POST /api/v1/updates/from-url endpoint registered with api.PermitAnyone. Attackers can supply an attacker-controlled index URL that bypasses version checks and auto-apply settings, installing older Safing-signed releases carrying previously fixed vulnerabilities."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-16T17:39:27.588Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/safing/portmaster/issues/2292"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/safing/portmaster/blob/v2.2.3/service/core/api.go#L145-L159"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/safing/portmaster/commit/f943e1eaf98f45bc48490bf288e1d63c04929ae0"
        },
        {
          "name": "portmaster v2.2.5 Release Notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/safing/portmaster/releases/tag/v2.2.5"
        },
        {
          "name": "VulnCheck Advisory: Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url",
          "tags": [
            "third-party-advisory"
          ],
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        }
      ],
      "title": "Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-111664",
    "datePublished": "2026-10-16T17:39:27.588Z",
    "dateReserved": "2026-10-16T14:31:16.778Z",
    "dateUpdated": "2026-10-16T17:39:27.588Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}