{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-10-02T07:28:44.591","vulnerabilities":[{"cve":{"id":"CVE-2026-72530","sourceIdentifier":"vulnerability@kaspersky.com","published":"2026-08-19T17:21:01.130","lastModified":"2026-08-21T04:18:15.903","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"affected":[{"source":"vulnerability@kaspersky.com","affectedData":[{"vendor":"TrueConf","product":"TrueConf Server","defaultStatus":"unaffected","platforms":["Windows","Linux"],"versions":[{"version":"*","lessThan":"5.3","versionType":"custom","status":"affected"},{"version":"5.3","lessThan":"5.3.9","versionType":"custom","status":"affected"},{"version":"5.4","lessThan":"5.4.9","versionType":"custom","status":"affected"},{"version":"5.5","lessThan":"5.5.5","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"vulnerability@kaspersky.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":9.5,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"vulnerability@kaspersky.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","baseScore":9.0,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":6.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-19T00:00:00+00:00","id":"CVE-2026-72530","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"cisaExploitAdd":"2026-08-20","cisaActionDue":"2026-09-03","cisaRequiredAction":"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.","cisaVulnerabilityName":"TrueConf Server Code Injection Vulnerability","weaknesses":[{"source":"vulnerability@kaspersky.com","type":"Secondary","description":[{"lang":"en","value":"CWE-94"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:windows:*:*","versionEndExcluding":"5.3.9.10013","matchCriteriaId":"223F39D3-6C0B-449C-BBC4-22E9FD1069B0"},{"vulnerable":true,"criteria":"cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:linux_kernel:*:*","versionEndExcluding":"5.3.9.10015","matchCriteriaId":"651E4015-13F5-467A-B994-8CD8CF096F2B"},{"vulnerable":true,"criteria":"cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:windows:*:*","versionStartIncluding":"5.4.0.12689","versionEndExcluding":"5.4.9.10072","matchCriteriaId":"92B109B3-71FC-46C8-9790-602F6E82A1B4"},{"vulnerable":true,"criteria":"cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:linux_kernel:*:*","versionStartIncluding":"5.4.0.12700","versionEndExcluding":"5.4.9.10019","matchCriteriaId":"991CB573-4063-4F9F-980C-73049E0D86BF"},{"vulnerable":true,"criteria":"cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:windows:*:*","versionStartIncluding":"5.5.0.13826","versionEndExcluding":"5.5.5.10010","matchCriteriaId":"BA7EE78E-8CC5-4F6E-8BE2-485C61334D3C"},{"vulnerable":true,"criteria":"cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:linux_kernel:*:*","versionStartIncluding":"5.5.0.13828","versionEndExcluding":"5.5.5.10009","matchCriteriaId":"1B3BF976-3656-4152-A255-ABA311510C7C"}]}]}],"references":[{"url":"https://ics-cert.kaspersky.com/advisories/2026/08/11/trueconf-server-breakout-from-isolated-environment/","source":"vulnerability@kaspersky.com","tags":["Third Party Advisory"]},{"url":"https://securelist.com/tr/head-mare-targets-trueconf-server-with-phantomcore/120988/","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-72530","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"]}]}}]}