TrueConf Server Missing Authentication for Critical Function Vulnerability

TrueConf Server contains a missing authentication for critical function vulnerability which could allow a remote unauthorized attacker with network access via port 4307/TCP to execute an arbitrary script...

TrueConf Server Code Injection Vulnerability

TrueConf Server contains a code injection vulnerability that could allow an unauthorized remote attacker with network access via port 4307/TCP to use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system...

CVE-2026-72530

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system...

CVE-2026-72529

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function...

EUVD-2026-62588

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system...

CVE-2026-72530

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system...

CVE-2026-72530

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system...

CVE-2026-72530

TrueConf Server (versions 5.3.X–5.3.9, 5.4.X–5.4.9, 5.5.X–5.5.5, and earlier) is vulnerable to a sandbox escape via improper code generation management. A remote unauthenticated attacker with network access to port 4307/TCP (open by default) can deliver a specially crafted script that breaks out ...

CVE-2026-72529

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function...

EUVD-2026-62587

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function...

CVE-2026-72529

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function...

CVE-2026-72529

TrueConf Server (videoconferencing) is affected by a missing authentication vulnerability in an undocumented function accessible via port 4307/TCP . A remote unauthenticated attacker can invoke this function to execute an arbitrary script on the server. Affected versions: 5.3.X–5.3.9, 5.4.X–5.4.9...

VulnCheck KEV: CVE-2026-72530

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system...

VulnCheck KEV: CVE-2026-72529

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function...

Head Mare APT is exploiting vulnerabilities in an unpatched TrueConf server to deliver PhantomCore and PhantomGraph to video conference participants

Overview of the attack In July 2026, Kaspersky experts detected a new attack by the Head Mare group. Previously, we classified them as hacktivists, but now we define them as an APT group due to the sophistication of their TTPs and the absence of destructive activity encryption, wiping in the...

TrueConf Server Flaws Exploited to Replace Client Installers with PhantomCore

The threat actor known as Head Mare has been observed weaponizing security flaws in unpatched TrueConf servers once again in attacks targeting Russian companies spanning instrumentation, electronics, transport, energy, IT, and software development sectors. Russian cybersecurity vendor Kaspersky...

The vulnerability of the TrueConf Server software, related to improper code generation management, allows a perpetrator to execute arbitrary code.

The vulnerability of the TrueConf Server software is related to incorrect code generation management. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the TrueConf Server software lies in the lack of authentication for critical functions, allowing attackers to execute arbitrary scripts and increase their privileges.

The vulnerability of the TrueConf Server software is related to the lack of authentication for critical functions. Exploiting this vulnerability allows a malicious actor to execute arbitrary scripts and increase their privileges...

PT-2026-70006

Name of the Vulnerable Software and Affected Versions TrueConf server versions 5.3.0 through 5.3.9 TrueConf server versions 5.4.0 through 5.4.9 TrueConf server versions 5.5.0 through 5.5.5 TrueConf server versions prior to 5.3.0 Description Improper management of code generation allows a remote...

PT-2026-70005

Name of the Vulnerable Software and Affected Versions TrueConf Server versions 5.3.0 through 5.3.9 TrueConf Server versions 5.4.0 through 5.4.9 TrueConf Server versions 5.5.0 through 5.5.5 TrueConf Server versions prior to 5.5.5 Description An issue exists where a critical undocumented function...