Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a mail header injection vulnerability. rcmail_sendmail::extract_inline_images() used the media type taken from an inline image data URI without validating it, so a remote authenticated attacker could inject arbitrary MIME part headers into the outgoing message by placing CRLF sequences in that media type. Upstream fixed this in the commit “Fix mail header injection via media type in an inline image data URI”, which validates the media type with rcube_mime::is_mimetype_valid().
References
| Link | Resource |
|---|---|
| https://bugs.debian.org/1151279 | Third Party Advisory Mailing List |
| https://github.com/roundcube/roundcubemail/commit/7f3cc9cacb16cb3ab047fe8e3cba81db2023cdfc | Patch |
| https://github.com/roundcube/roundcubemail/commit/adb9b9b3fd43e30af1c166b79494726d89f828eb | Patch |
| https://github.com/roundcube/roundcubemail/releases/tag/1.6.20 | Release Notes |
| https://github.com/roundcube/roundcubemail/releases/tag/1.7.5 | Release Notes |
| https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5 | Issue Tracking |
Configurations
Configuration 1 (hide)
|
History
30 Oct 2026, 15:12
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://bugs.debian.org/1151279 - Third Party Advisory, Mailing List | |
| References | () https://github.com/roundcube/roundcubemail/commit/7f3cc9cacb16cb3ab047fe8e3cba81db2023cdfc - Patch | |
| References | () https://github.com/roundcube/roundcubemail/commit/adb9b9b3fd43e30af1c166b79494726d89f828eb - Patch | |
| References | () https://github.com/roundcube/roundcubemail/releases/tag/1.6.20 - Release Notes | |
| References | () https://github.com/roundcube/roundcubemail/releases/tag/1.7.5 - Release Notes | |
| References | () https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5 - Issue Tracking | |
| First Time |
Roundcube
Roundcube webmail |
|
| CPE | cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* |
22 Oct 2026, 02:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-10-22 02:16
Updated : 2026-10-30 15:12
NVD link : CVE-2026-114716
Mitre link : CVE-2026-114716
CVE.ORG link : CVE-2026-114716
JSON object : View
Products Affected
roundcube
- webmail
CWE
CWE-99
Improper Control of Resource Identifiers ('Resource Injection')
