{"id":"CVE-2026-100390","title":"Zoraxy versions 3.2.3 through 3.3.4 fail to properly parse IPv6 addresses in the RemoteAddr field when setting forwarded headers","summary":"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 s…","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-290"],"vendor":"tobychui","product":"zoraxy","affected":["zoraxy >= 3.2.3 <= 3.3.4"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T21:17:22.637","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100390","references":[{"url":"https://github.com/tobychui/zoraxy","label":"disclosure@vulncheck.com"},{"url":"https://github.com/tobychui/zoraxy/blob/v3.3.4/src/mod/auth/sso/forward/util.go#L127-L142","label":"disclosure@vulncheck.com"},{"url":"https://github.com/tobychui/zoraxy/commit/56bb3e5abb83eae42a64203028d73a001d6096c4","label":"disclosure@vulncheck.com"},{"url":"https://github.com/tobychui/zoraxy/pull/1264","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/zoraxy-3.2.3-through-3.3.4-client-ip-spoofing-via-x-forwarded-for-ipv6","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-25T20:42:41.262458Z"},"ingestedAt":"2026-09-25T21:19:40.142Z","slug":"CVE-2026-100390","body":"## Overview\n\nZoraxy 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}