{"schema":"threatline.record/2","record":{"id":"CVE-2026-100390","aliases":[],"summary":"Zoraxy 3.2.3 through 3.3.4 Client IP Spoofing via X-Forwarded-For IPv6","details":"Zoraxy versions 3.2.3 through 3.3.4 fail to properly parse IPv6 addresses in the RemoteAddr field when setting forwarded headers. Unauthenticated attackers connecting over IPv6 can supply arbitrary X-Forwarded-For values to spoof their source IP and bypass authorization provider IP-based access controls.","categories":["Unclassified"],"product":"zoraxy","vendor":"tobychui","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100390","source_modified_at":"2026-09-25T20:42:50.268Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"zoraxy","vendor":"tobychui","versions":[{"version":"3.2.3","lessThanOrEqual":"3.3.4","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.1,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.0029,"percentile":0.20502,"score_date":"2026-10-23"},"published_at":"2026-09-25T20:13:09.522Z","modified_at":"2026-09-25T20:42:50.268Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100390","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-25T20:42:50.268Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100390","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/tobychui/zoraxy/pull/1264","tags":["issue-tracking","patch"]},{"source":"CVE List","url":"https://github.com/tobychui/zoraxy/commit/56bb3e5abb83eae42a64203028d73a001d6096c4","tags":["patch"]},{"source":"CVE List","url":"https://github.com/tobychui/zoraxy/blob/v3.3.4/src/mod/auth/sso/forward/util.go#L127-L142","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/tobychui/zoraxy","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/zoraxy-3.2.3-through-3.3.4-client-ip-spoofing-via-x-forwarded-for-ipv6","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":"total","assessed_at":"2026-09-25T20:42:41.262458Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-25T20:42:50.268Z","content_hash":"38d58ae626fab9ca2e026c4e69481082d61b84d5a1c1c694999c41734c1239a3"}}