RLSA-2026:73979 Critical: freerdp security update

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fixes: freerdp: FreeRDP 3.0.0 through 3.30.0 Protocol Negotiation Bypass...

freerdp: FreeRDP 3.0.0 through 3.30.0 Protocol Negotiation Bypass

A flaw was found in FreeRDP server. This vulnerability allows unauthenticated attackers to bypass server policies that disable Remote Desktop Services over Transport Layer Security RDSTLS connections. By sending incompatible protocol requests and then completing a TLS handshake, attackers can...

Critical: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

RockyLinux 10 : freerdp (RLSA-2026:73979)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:73979 advisory. freerdp: FreeRDP 3.0.0 through 3.30.0 Protocol Negotiation Bypass CVE-2026-91949 Tenable has extracted the preceding description block directly from the...

CVE-2026-24061

Docker Telnet Auto-Login Lab A lightweight Docker lab for experimenting with Telnet protocol negotiation , explained in the CVE-2026-24061 exploit, which contains automatic username injection using the NEW-ENVIRON option. This project creates an isolated client–server environment to study how...

freerdp: FreeRDP 3.0.0 through 3.30.0 Protocol Negotiation Bypass

A flaw was found in FreeRDP server. This vulnerability allows unauthenticated attackers to bypass server policies that disable Remote Desktop Services over Transport Layer Security RDSTLS connections. By sending incompatible protocol requests and then completing a TLS handshake, attackers can...

DEBIAN-CVE-2026-91949

FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections despite server policy disabling them. Attackers can send incompatible protocol requests, receive negotiation failures, then complete TLS...

CVE-2026-91949

FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections despite server policy disabling them. Attackers can send incompatible protocol requests, receive negotiation failures, then complete TLS...

CVE-2026-91949

FreeRDP server versions 3.0.0 through 3.30.0 (before 3.31.0 ) contain a protocol negotiation bypass vulnerability. The root cause, as described in the associated GHSA advisory (GHSA-x7v6-xfx3-52j6), is that the server continues after a negotiation failure and dispatches a failure code as RDSTLS ,...

CVE-2026-91949 FreeRDP 3.0.0 through 3.30.0 Protocol Negotiation Bypass

FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections despite server policy disabling them. Attackers can send incompatible protocol requests, receive negotiation failures, then complete TLS...

EUVD-2026-78806

FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections despite server policy disabling them. Attackers can send incompatible protocol requests, receive negotiation failures, then complete TLS...

CVE-2026-91949 FreeRDP 3.0.0 through 3.30.0 Protocol Negotiation Bypass

FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections despite server policy disabling them. Attackers can send incompatible protocol requests, receive negotiation failures, then complete TLS...

CVE-2026-91949 FreeRDP 3.0.0 through 3.30.0 Protocol Negotiation Bypass

FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections despite server policy disabling them. Attackers can send incompatible protocol requests, receive negotiation failures, then complete TLS...

Linux Distros Unpatched Vulnerability : CVE-2026-91949

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections...

PT-2026-92068

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.31.0 Description Unauthenticated attackers can bypass the protocol policy to establish RDSTLS connections even when the server policy has explicitly disabled them. This is achieved by sending incompatible protocol...

CVE-2026-91949: Protection Mechanism Failure

FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated attackers to establish RDSTLS connections despite server policy disabling them. Attackers can send incompatible protocol requests, receive negotiation failures, then complete TLS...

EUVD-2026-67181

Unless the application explicitly raises smbMinVersion, the jCIFS client will negotiate down to SMB1/CIFS, which lacks mandatory signing/encryption and is vulnerable to NTLM relay and content-tampering MITM. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5....

Cleartext Transmission of Sensitive Information

Overview Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information via the negotiation process. An attacker can intercept or alter files transferred and capture authentication credentials by performing a downgrade attack on the SMB protocol. Remediation...

JLSEC-2026-698 Missing SNI/ALPN binding on stateful (session-ID) resumption, which previously skipped the binding...

Missing SNI/ALPN binding on stateful session-ID resumption, which previously skipped the binding check performed for ticket-based resumption. A cached session could be resumed under a different SNI/ALPN than originally negotiated and, where client-authentication policy differs across virtual host...

JLSEC-2026-706 Out-of-bounds read in ALPN parsing due to incomplete validation

Out-of-bounds read in ALPN parsing due to incomplete validation. wolfSSL 5.8.4 and earlier contained an out-of-bounds read in ALPN handling when built with ALPN enabled HAVEALPN / --enable-alpn. A crafted ALPN protocol list could trigger an out-of-bounds read, leading to a potential process crash...