{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35541", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-04-03T03:50:46.901Z", "datePublished": "2026-04-03T03:50:47.422Z", "dateUpdated": "2026-04-03T12:52:08.638Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Webmail", "vendor": "Roundcube", "versions": [{"lessThan": "1.5.14", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "1.6.14", "status": "affected", "version": "1.6.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-843", "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-03T03:50:47.422Z"}, "references": [{"url": "https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14"}, {"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5"}, {"url": "https://github.com/roundcube/roundcubemail/commit/6a275676a8043083c05c961914d830b79e2490d4"}, {"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.14"}, {"url": "https://github.com/roundcube/roundcubemail/commit/6fa2bddc59b9c9fd31cad4a9e2954a208d793dce"}, {"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.5.14"}, {"url": "https://github.com/roundcube/roundcubemail/commit/2e6a99b2a38110907ea8d3be8e59ec3d5802c394"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-03T12:52:00.474977Z", "id": "CVE-2026-35541", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-03T12:52:08.638Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35541", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-04-03T03:50:46.901Z", "datePublished": "2026-04-03T03:50:47.422Z", "dateUpdated": "2026-04-03T12:52:08.638Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Webmail", "vendor": "Roundcube", "versions": [{"lessThan": "1.5.14", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "1.6.14", "status": "affected", "version": "1.6.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-843", "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-03T03:50:47.422Z"}, "references": [{"url": "https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14"}, {"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5"}, {"url": "https://github.com/roundcube/roundcubemail/commit/6a275676a8043083c05c961914d830b79e2490d4"}, {"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.14"}, {"url": "https://github.com/roundcube/roundcubemail/commit/6fa2bddc59b9c9fd31cad4a9e2954a208d793dce"}, {"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.5.14"}, {"url": "https://github.com/roundcube/roundcubemail/commit/2e6a99b2a38110907ea8d3be8e59ec3d5802c394"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-35541", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-03T12:52:00.474977Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-03T12:52:05.290Z"}}]}}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password."}], "id": "CVE-2026-35541", "lastModified": "2026-04-03T16:10:23.730", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 2.5, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-04-03T05:16:22.283", "references": [{"source": "cve@mitre.org", "url": "https://github.com/roundcube/roundcubemail/commit/2e6a99b2a38110907ea8d3be8e59ec3d5802c394"}, {"source": "cve@mitre.org", "url": "https://github.com/roundcube/roundcubemail/commit/6a275676a8043083c05c961914d830b79e2490d4"}, {"source": "cve@mitre.org", "url": "https://github.com/roundcube/roundcubemail/commit/6fa2bddc59b9c9fd31cad4a9e2954a208d793dce"}, {"source": "cve@mitre.org", "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.5.14"}, {"source": "cve@mitre.org", "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.14"}, {"source": "cve@mitre.org", "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5"}, {"source": "cve@mitre.org", "url": "https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.5.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.6.0,1.6.14)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Webmail", "source": "cna", "vendor": "Roundcube"}, "product": "webmail", "vendor": "roundcube"}], "analysis": {"en": {"generated_at": "2026-04-03T07:23:23.029468+00:00", "value": {"mitigation_remediation": ["Apply the vendor-supplied patch by upgrading to Roundcube 1.5.14, 1.6.14, or any later release such as 1.7\u2011RC5.", "If an upgrade cannot be performed immediately, consider disabling the password change feature or implementing manual checks to enforce old password verification."], "summary": {"action": "Patch Immediately", "impact": "Unauthorized Password Reset"}, "threat_synthesis": {"affected_systems": "The affected product is Roundcube Webmail. Versions prior to 1.5.14 and 1.6.14 contain the flaw. Users running these earlier releases should verify their installation and plan an upgrade.", "description_and_impact": "A vulnerability was identified in Roundcube Webmail's password plugin where an improper comparison of password values introduces type confusion. This flaw enables an attacker to change a user's password without knowing the original password, thereby granting unauthorized access.", "risk_and_exploitability": "The CVSS base score of 4.2 indicates moderate severity. The flaw is exploitable through the web interface that handles password changes, so a remote attacker who can authenticate to an account can abuse the weakness. No publicly available exploits are listed in the CISA KEV catalog, and EPSS data is not available, but the moderate score suggests vigilance."}}}}, "created": "2026-04-03T07:31:06.560168+00:00", "title": "Password Change Without Old Password via Type Confusion in Roundcube Password Plugin", "updated": "2026-04-03T09:15:53.234509+00:00", "vendors": ["roundcube", "roundcube$PRODUCT$webmail"]}