Exploited vulnerability CISA KEV
CVE-2026-72529: TrueConf Server Missing Authentication for Critical Function Vulnerability
CVE-2026-72529 is a vulnerability in TrueConf Server that CISA added to its Known Exploited Vulnerabilities catalog on August 20, 2026, meaning there is evidence it is being exploited. US federal civilian agencies must complete the required action by August 23, 2026.
CVE-2026-72529 is a vulnerability in TrueConf Server that CISA added to its Known Exploited Vulnerabilities catalog on August 20, 2026, meaning there is evidence it is being exploited. US federal civilian agencies must complete the required action by August 23, 2026.
- CVE ID
- CVE-2026-72529
- Vendor / project
- TrueConf
- Product
- Server
- Added to KEV
- Due date
- Days to remediate
- 3
- Known ransomware use
- Unknown
- Weakness
- CWE-306
CISA description #
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.
Required action #
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notes and references #
https://trueconf.com/blog/news/security-fixes-updates-and-advisories ; https://ics-cert.kaspersky.com/advisories/2026/08/11/trueconf-server-missing-authentication-for-critical-function/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-72529
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