CVE-2026-54432

{"id": "CVE-2026-54432", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54432", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-15T15:11:13.885115Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.6}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "Roundcube", "product": "Webmail", "versions": [{"status": "affected", "version": "1.6.0", "lessThan": "1.6.17", "versionType": "semver"}, {"status": "affected", "version": "1.7.0", "lessThan": "1.7.2", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-14T17:17:05.387", "references": [{"url": "https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2", "source": "cve@mitre.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page."}], "lastModified": "2026-07-15T20:08:02.787", "sourceIdentifier": "cve@mitre.org"}