{"id":"CVE-2026-111664","revision":"ff0c98e303b6435cadee51ea78f16a1c","records":[{"revision":"ff0c98e303b6435cadee51ea78f16a1c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111664","aliases":[],"title":"Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url","description":"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.","state":0,"publishedAt":"2026-10-16T17:39:27.588+00:00","modifiedAt":"2026-10-21T20:58:29.603+00:00","affected":[{"ecosystem":"Vendor product","name":"portmaster","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"safing\",\n                    \"product\": \"portmaster\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.2.5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/safing/portmaster\",\n                    \"repo\": \"https://github.com/safing/portmaster\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":4.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","score":4.4,"severity":"MEDIUM"}],"references":["https://github.com/safing/portmaster/issues/2292","https://github.com/safing/portmaster/blob/v2.2.3/service/core/api.go#L145-L159","https://github.com/safing/portmaster/commit/f943e1eaf98f45bc48490bf288e1d63c04929ae0","https://github.com/safing/portmaster/releases/tag/v2.2.5","https://www.vulncheck.com/advisories/safing-portmaster-before-2.2.5-unauthenticated-forced-downgrade-via-api-v1-updates-from-url"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111664","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111664","identifiers":["CVE-2026-111664"]},"retained":false,"historicalAffected":[]}],"coverage":[]}