CVE-2026-114714

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{"bugzilla": {"description": "roundcubemail: roundcubemail: Information disclosure via path traversal in squirrelmail_usercopy plugin", "id": "2558634", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2558634"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a path traversal vulnerability in the squirrelmail_usercopy plugin. With the file based backend, the source path was built from the login name without rejecting path separators, so a login name containing a slash could cause files outside the configured squirrelmail_data_dir to be read and imported. Upstream fixed this in the commit \u201cFix unsafe use of a login name in SquirrelMail import file path\u201d, which rejects login names containing a slash.", "A flaw was found in Roundcube Webmail. When using the squirrelmail_usercopy plugin with a file-based backend, the application constructs file paths from user login names without properly sanitizing path separators. An authenticated remote attacker can exploit this path traversal vulnerability by submitting a crafted login name, leading to unauthorized information disclosure through reading and importing files outside the intended directory."], "mitigation": {"lang": "en:us", "value": "Disable the squirrelmail_usercopy plugin or upgrade to Roundcube Webmail 1.6.20 or 1.7.5."}, "name": "CVE-2026-114714", "public_date": "2026-10-22T01:08:34Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-114714\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-114714\nhttps://bugs.debian.org/1151279\nhttps://github.com/roundcube/roundcubemail/commit/15fd175d154311ca7f59cf696c6cc39471611aa6\nhttps://github.com/roundcube/roundcubemail/commit/dbdfcac498164bcacb7ce273b6341678dd70c166\nhttps://github.com/roundcube/roundcubemail/releases/tag/1.6.20\nhttps://github.com/roundcube/roundcubemail/releases/tag/1.7.5\nhttps://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5"], "statement": "A path traversal vulnerability was found in Roundcube Webmail's squirrelmail_usercopy plugin. When the non-default plugin is enabled with the file-based backend and an authentication backend that permits slashes in login names, an authenticated remote attacker could submit a crafted login name containing path separators, causing files outside the configured squirrelmail_data_dir to be read and imported, resulting in information disclosure. Upstream fixed this issue in Roundcube Webmail 1.6.20 and 1.7.5 by rejecting login names containing a slash. Red Hat does not ship Roundcube Webmail in any supported Red Hat product; the affected packages exist only in community streams (fedora-all roundcubemail 1.6.19-1.fc43, epel-all roundcubemail 1.5.15-1.el9).", "threat_severity": "Moderate"}

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