CVE-2026-110835

medium

Description

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 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.

References

https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-http-header-injection-via-proxy-routing-token

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-87v8-2gwr-ww9j

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101718

Details

Source: Mitre, NVD

Published: 2026-10-14

Updated: 2026-10-15

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 6.3

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

Severity: Medium

EPSS

EPSS: 0.00218