{"schema":"threatline.record/2","record":{"id":"CVE-2026-111664","aliases":[],"summary":"Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url","details":"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.","categories":["Unclassified"],"product":"portmaster","vendor":"safing","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111664","source_modified_at":"2026-10-21T20:58:29.603Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"portmaster","vendor":"safing","versions":[{"version":"0","lessThan":"2.2.5","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111664","source_modified_at":"2026-10-21T20:58:29.603Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"portmaster","ecosystem":null},"version":"2.2.5","basis":"first unaffected version stated in the CVE record"}],"cvss":4.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00116,"percentile":0.01523,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:39:27.588Z","modified_at":"2026-10-21T20:58:29.603Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111664","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-21T20:58:29.603Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111664","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/safing/portmaster/issues/2292","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/safing/portmaster/blob/v2.2.3/service/core/api.go#L145-L159","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/safing/portmaster/commit/f943e1eaf98f45bc48490bf288e1d63c04929ae0","tags":["patch"]},{"source":"CVE List","url":"https://github.com/safing/portmaster/releases/tag/v2.2.5","tags":["release-notes"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/safing-portmaster-before-2.2.5-unauthenticated-forced-downgrade-via-api-v1-updates-from-url","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-21T20:58:18.438956Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-21T20:58:29.603Z","content_hash":"9ee4b2415f14247a64b6e3b9d6f2cf10a07addb889110a91f7833154c1b93c84"}}