{"id":"EUVD-2026-58632","revision":"70c2241923ce46a89cf918b163640163","records":[{"revision":"70c2241923ce46a89cf918b163640163","observedAt":"2026-11-07T14:25:19.875+00:00","statement":{"source":"euvd","id":"EUVD-2026-58632","aliases":["CVE-2026-72817","GHSA-9f4g-6whf-f3pv"],"title":"go-chi/chi versions 0.9.0 before 5.3.0 contains an IP spoofing vulnerability in the RealIP middleware, which resolves the request source IP (Request.RemoteAddr) using the first IP in the X-Forwarded-For header without validating trusted pro…","description":"go-chi/chi versions 0.9.0 before 5.3.0 contains an IP spoofing vulnerability in the RealIP middleware, which resolves the request source IP (Request.RemoteAddr) using the first IP in the X-Forwarded-For header without validating trusted proxies. A malicious client can prepend a forged IP as the first value of the X-Forwarded-For header to spoof the request source IP, potentially bypassing access controls or falsifying request logs.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":null}],"references":["https://github.com/go-chi/chi/security/advisories/GHSA-9g5q-2w5x-hmxf","https://www.vulncheck.com/advisories/go-chi-chi-before-ip-spoofing-via-x-forwarded-for"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-58632","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Aug 14, 2026, 11:35:28 AM","dateUpdated":"Oct 8, 2026, 3:24:32 PM"},"relatedAdvisories":[{"id":"openSUSE-SU-2026:11574-1","title":"hauler-2.0.3-1.1 on GA media","vulnerabilityIds":["CVE-2026-41888","CVE-2026-72817"]},{"id":"RHSA-2026:54420","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","vulnerabilityIds":["CVE-2026-72815","CVE-2026-72816","CVE-2026-72817"]},{"id":"openSUSE-SU-2026:21918-1","title":"Security update for warewulf4","vulnerabilityIds":["CVE-2026-34986","CVE-2026-72815","CVE-2026-72816","CVE-2026-72817"]},{"id":"msrc_CVE-2026-72817","title":"go-chi chi 0.9.0 before 5.3.0 IP Spoofing via X-Forwarded-For","vulnerabilityIds":["CVE-2026-72817"]},{"id":"openSUSE-SU-2026:11578-1","title":"trivy-0.74.0-1.1 on GA media","vulnerabilityIds":["CVE-2026-72817"]},{"id":"openSUSE-SU-2026:21645-1","title":"Security update for trivy","vulnerabilityIds":["CVE-2026-72815","CVE-2026-72816","CVE-2026-72817"]},{"id":"openSUSE-SU-2026:11591-1","title":"golang-github-v2fly-v2ray-core-5.53.0-1.1 on GA media","vulnerabilityIds":["CVE-2026-72817"]},{"id":"openSUSE-SU-2026:21653-1","title":"Security update for v2ray-core","vulnerabilityIds":["CVE-2026-27017","CVE-2026-39821","CVE-2026-72815","CVE-2026-72816","CVE-2026-72817"]},{"id":"RHSA-2026:49718","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","vulnerabilityIds":["CVE-2026-72815","CVE-2026-72816","CVE-2026-72817"]},{"id":"openSUSE-SU-2026:21793-1","title":"Security update for hauler","vulnerabilityIds":["CVE-2026-37236","CVE-2026-41178","CVE-2026-41888","CVE-2026-72815","CVE-2026-72816","CVE-2026-72817"]},{"id":"openSUSE-SU-2026:21670-1","title":"Security update for cloudflared","vulnerabilityIds":["CVE-2026-72815","CVE-2026-72816","CVE-2026-72817"]},{"id":"RHSA-2026:49732","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","vulnerabilityIds":["CVE-2026-72815","CVE-2026-72816","CVE-2026-72817"]},{"id":"openSUSE-SU-2026:11810-1","title":"warewulf4-4.7.1-1.1 on GA media","vulnerabilityIds":["CVE-2026-72815","CVE-2026-72817"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-58632","identifiers":["EUVD-2026-58632","CVE-2026-72817","GHSA-9f4g-6whf-f3pv"]},"retained":false,"historicalAffected":[]}],"coverage":[]}