CVE-2026-114725

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{"bugzilla": {"description": "roundcubemail: roundcubemail: Arbitrary mail header injection via unsanitized request parameters", "id": "2558714", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2558714"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-93", "details": ["Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a mail header injection vulnerability. rcmail_sendmail stripped newline characters only from the Subject and Organization headers, leaving other header values taken from request parameters unsanitized, so a remote authenticated attacker could inject arbitrary headers into an outgoing message via the References, In-Reply-To, Message-ID and From parameters. Upstream fixed this in the commit \u201cFix mail header injection via References/In-Reply-To/Message-ID/From parameters\u201d, which normalizes whitespace in every string header value.", "A flaw was found in Roundcube Webmail. The application fails to properly sanitize newline characters in specific email header fields, including References, In-Reply-To, Message-ID, and From parameters. A remote authenticated attacker can exploit this vulnerability to inject arbitrary headers into outgoing emails, potentially enabling email spoofing or unauthorized manipulation of message routing."], "name": "CVE-2026-114725", "public_date": "2026-10-22T01:52:10Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-114725\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-114725\nhttps://bugs.debian.org/1151279\nhttps://github.com/roundcube/roundcubemail/commit/79adcfc0c48012bbbe930278471425027fd7331c\nhttps://github.com/roundcube/roundcubemail/commit/acd32a86f631dd6dcda8ac3ec7bd9ba4d4c0c117\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": "This vulnerability is rated as having a Moderate impact because exploitation requires valid user authentication to transmit outgoing mail through the web interface. Although attackers can manipulate message header parameters to falsify routing or sender details, the vulnerability cannot be leveraged for remote code execution or server compromise. Additionally, roundcubemail is not included in core Red Hat Enterprise Linux products and is only distributed through community channels such as EPEL.", "threat_severity": "Moderate"}

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