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CISA Adds Two Remotely Exploitable TrueConf Server Vulnerabilities to KEV Catalog

The US Cybersecurity and Infrastructure Security Agency has added two critical vulnerabilities affecting TrueConf Server to its Known Exploited Vulnerabilities catalog. CVE-2026-72529 allows unauthenticated remote attackers to execute arbitrary scripts due to missing authentication in a critical function. CVE-2026-72530 is a code injection flaw that enables attackers to run arbitrary code on the underlying host system by escaping the sandboxed environment. Both issues can be exploited over TCP port 4307 without requiring authentication. Kaspersky assigned CVSS v3.1 base scores of 9.8 and 9.0 respectively, rating both as Critical. US federal agencies must apply mitigations for the first vulnerability by August 23 and for the second by September 3.

Security NEXTTranslated from Japanese

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The US Cybersecurity and Infrastructure Security Agency (CISA) has added two remotely exploitable vulnerabilities in TrueConf Server to its Known Exploited Vulnerabilities (KEV) catalog, warning that both flaws are already being exploited in the wild.

TrueConf Server is a video conferencing and communication platform developed by TrueConf. On August 20, 2026, CISA included CVE-2026-72529 and CVE-2026-72530 in the KEV list after confirming active exploitation.

CVE-2026-72529 stems from missing authentication in a critical function, allowing unauthenticated remote attackers to execute arbitrary scripts. CVE-2026-72530 is a code injection vulnerability that permits attackers to break out of the isolated environment and execute arbitrary code on the host system.

Both vulnerabilities can be exploited remotely over TCP port 4307 without any authentication. Kaspersky rated the issues with CVSS v3.1 base scores of 9.8 and 9.0, classifying both as Critical.

Federal agencies are required to remediate CVE-2026-72529 by August 23, 2026, and CVE-2026-72530 by September 3, 2026. All organizations using the product are advised to apply available patches or mitigations immediately due to the confirmed in-the-wild exploitation.

KasperskyCVSSv3.1TrueConf ServerCVE-2026-72529CVE-2026-72530
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