{"id":"CVE-2026-110835","title":"FreeRDP 3.0.0 before 3.32.0 allows HTTP header injection in its proxy because a lone LF in the target portion of a routing token (Cookie: msts=) is not rejected and is written by http_proxy_connect into the CONNECT request line and Host …","summary":"FreeRDP 3.0.0 before 3.32.0 allows HTTP header injection in its proxy because a lone LF in the target portion of a routing token (Cookie: msts=) is not rejected and is written by http_proxy_connect into the CONNECT request line and Host …","severity":"medium","cvss":4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","cwe":["CWE-93"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.0.0 < 3.32.0"],"published":"2026-10-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T15:54:26.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110835","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-87v8-2gwr-ww9j","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-http-header-injection-via-proxy-routing-token","label":"disclosure@vulncheck.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-110835.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-110835"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2552973"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110835"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110835"}],"tags":["nvd","cve.org","csaf","vex","red-hat","exploit-available"],"ingestedAt":"2026-10-15T00:02:07.172Z","epss":0.00261,"epssPercentile":0.1779,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-18T12:10:15.457278Z"},"slug":"CVE-2026-110835","body":"## Overview\n\nFreeRDP 3.0.0 before 3.32.0 allows HTTP header injection in its proxy because a lone LF in the target portion of a routing token (Cookie: msts=) is not rejected and is written by http_proxy_connect into the CONNECT request line and Host header. A remote unauthenticated RDP client connecting to a proxy using FixedTarget=false and an upstream HTTP proxy can alter HTTP request/header framing at that upstream proxy.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-110835.json)","depth":"twilight","depthScore":34,"depthScoreParts":{"impact":22,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":224378,"id":"CVE-2026-110835","ts":1792327372497,"field":"exploit_available","old":"false","new":"true"}]}