CVE-2026-28726

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{}

{"affected": [{"configurations": [{"platform": ["Linux", "Windows"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,41186)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "acronis_cyber_protect_17", "vendor": "acronis"}], "analysis": {"en": {"generated_at": "2026-04-16T11:45:55.637329+00:00", "value": {"mitigation_remediation": ["Upgrade Acronis Cyber Protect 17 to build 41186 or later.", "Perform a comprehensive audit of sensitive data access permissions to ensure proper access control is enforced.", "Limit user and network access to the application only to trusted accounts and network segments until the patch is applied."], "summary": {"action": "Apply Patch", "impact": "Sensitive Information Disclosure"}, "threat_synthesis": {"affected_systems": "This vulnerability affects Acronis Cyber Protect 17 running on Linux or Windows platforms, specifically builds prior to 41186. Any system with an older build is potentially exploitable.", "description_and_impact": "CVE-2026-28726 reveals an improper access control flaw that permits sensitive data disclosure in Acronis Cyber Protect 17. The weakness allows unauthenticated or misprivileged users to read confidential information that should otherwise be protected, thereby compromising confidentiality and reflecting the vulnerability type CWE\u2011863.", "risk_and_exploitability": "The CVSS score of 4.3 denotes a medium severity for confidentiality impact, while the EPSS score of less than 1% indicates a very low likelihood of exploitation in the wild. The advisory notes that the vulnerability is not listed in the CISA KEV catalog. Because the description does not specify an attack vector, the threat could be local or remote depending on how the affected system exposes the vulnerable functionality."}}}}, "created": "2026-03-06T14:56:16.652345+00:00", "title": "Improper Access Control in Acronis Cyber Protect 17 Exposes Sensitive Information", "updated": "2026-04-16T12:00:11.678938+00:00", "vendors": ["acronis", "acronis$PRODUCT$acronis_cyber_protect_17"]}