{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Webmail", "vendor": "Roundcube", "versions": [{"lessThan": "1.6.17", "status": "affected", "version": "1.6.0", "versionType": "semver"}, {"lessThan": "1.7.2", "status": "affected", "version": "1.7.0", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*", "matchCriteriaId": "BE3CB576-6905-4ED7-AAD5-C0523B5E6FFD", "versionEndExcluding": "1.6.17", "versionStartIncluding": "1.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*", "matchCriteriaId": "58061F28-9D4F-4D65-8C64-F77410B6E144", "versionEndExcluding": "1.7.2", "versionStartIncluding": "1.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover."}, {"lang": "es", "value": "En Roundcube Webmail antes de 1.6.17 y 1.7.x antes de 1.7.2, el plugin de contrase\u00f1a de Roundcube Webmail estaba sujeto a suplantaci\u00f3n de nombre de usuario a trav\u00e9s de datos de sesi\u00f3n, lo que podr\u00eda llevar a la toma de control de la cuenta."}], "id": "CVE-2026-62644", "lastModified": "2026-10-24T21:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.2, "source": "cve@mitre.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-62644", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-14T17:13:58.999753Z", "version": "2.0.3"}}]}, "published": "2026-07-14T16:17:04.810", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/roundcube/roundcubemail/commit/5cdc6a48b40beabff7f0bf5d9035f4491e877e4c"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/roundcube/roundcubemail/commit/7414fef51cd2407d39faab99680763f10ed5231d"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/roundcube/roundcubemail/commit/83150ce04d689a70f92d511bcae40adba8d55476"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/roundcube/roundcubemail/commit/9a96c20d8c7c9135876b68bebd6960af3ee60923"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.17"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.2"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "cve@mitre.org", "type": "Secondary"}]}