{"schema":"threatline.record/2","record":{"id":"CVE-2026-103592","aliases":[],"summary":"simple-php-router through 5.4.1.7 IP restriction bypass via forwarding headers","details":"simple-php-router through 5.4.1.7 contains an IP restriction bypass vulnerability in the IpRestrictAccess middleware that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. Attackers can spoof X-Forwarded-For, CF-Connecting-IP, or Client-IP headers to impersonate whitelisted addresses or evade blacklists, gaining access to IP-restricted routes.","categories":["Network & edge"],"product":"simple-router","vendor":"pecee","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103592","source_modified_at":"2026-10-05T23:50:23.851Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"simple-router","vendor":"pecee","versions":[{"version":"0","status":"affected","versionType":"custom","lessThanOrEqual":"5.4.1.7"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00182,"percentile":0.07385,"score_date":"2026-10-23"},"published_at":"2026-09-30T23:02:36.416Z","modified_at":"2026-10-05T23:50:23.851Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103592","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-05T23:50:23.851Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103592","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/skipperbent/simple-php-router/issues/727","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/skipperbent/simple-php-router/blob/5.4.1.7/src/Pecee/Http/Middleware/IpRestrictAccess.php","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/skipperbent/simple-php-router/blob/5.4.1.7/src/Pecee/Http/Request.php","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/skipperbent/simple-php-router","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/simple-php-router-through-5.4.1.7-ip-restriction-bypass-via-forwarding-headers","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":"yes","technical_impact":"partial","assessed_at":"2026-10-05T23:50:14.071677Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-05T23:50:23.851Z","content_hash":"1a8f752267fece7a4c75fe300f4598122af5e8d0e8140b754c6104b77cb0046a"}}