CVE-2026-114725
MEDIUM
5,0
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: none
Integrity: low
Availability: none
Description
AI Translation Available
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 “Fix mail header injection via References/In-Reply-To/Message-ID/From parameters”, which normalizes whitespace in every string header value.
99
Improper Control of Resource Identifiers ('Resource Injection')
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Potential Impacts:
Read Application Data
Modify Application Data
Read Files Or Directories
Modify Files Or Directories
Applicable Platforms
All platforms may be affected
https://bugs.debian.org/1151279
https://github.com/roundcube/roundcubemail/commit/79adcfc0c48012bbbe93027847142…
https://github.com/roundcube/roundcubemail/commit/acd32a86f631dd6dcda8ac3ec7bd9…
https://github.com/roundcube/roundcubemail/releases/tag/1.6.20
https://github.com/roundcube/roundcubemail/releases/tag/1.7.5
https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5