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CVE-2026-67289 is an HTTP proxy request-injection vulnerability in FreeRDP versions through 3.28.0. FreeRDP does not neutralize CRLF sequences and other control characters in the RDP server-controlled TargetNetAddress redirection field. The value is copied to the client ServerHostname field and, when HTTP proxy support is used, http_proxy_connect() incorporates it unfiltered into the proxy CONNECT request line and Host header. A malicious or compromised RDP server can deliver a crafted redirection PDU that injects attacker-controlled HTTP headers or additional requests into traffic sent to the configured proxy.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
43 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical, unauthenticated network-accessible vulnerability with low attack complexity that can compromise confidentiality, integrity, and availability of the affected Unity Linux/UOS Server package or component. The content does not identify the specific affected component or versions.
A critical network-accessible vulnerability affecting the FreeRDP2 package on Fedora 45. The CVSS v3 vector indicates low attack complexity, no privileges or user interaction, and high confidentiality, integrity, and availability impact. The content also records CVSS v4 exploit maturity as proof-of-concept.
A network-reachable, low-complexity, unauthenticated vulnerability with high confidentiality, integrity, and availability impact under the supplied CVSS v3/v4 vectors.
A vulnerability addressed by a Fedora 43 freerdp2 security update. The provided CVSS vectors describe a network-accessible, low-complexity vulnerability requiring no privileges or user interaction, with high impact to confidentiality, integrity, and availability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.