MSRXVulnerabilities / CVE-2026-114725
CVE-2026-114725
Published 2026-10-22 · published (not yet in NVD)
CVE-2026-114725
5.0 MEDIUM
CVSS 3.1 · CNA
CVSS 3.1 · CNA
0.3%
chance of exploitation in the next 30 days (EPSS; higher than 21% of CVEs)
chance of exploitation in the next 30 days (EPSS; higher than 21% of CVEs)
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.
Scores
Affected products
- Roundcube Webmail: 1.6.0 to < 1.6.20; 1.7.0 to < 1.7.5
Weakness: CWE-99
6 references (advisories, patches, write-ups)
- https://bugs.debian.org/1151279 · issue-tracking, third-party-advisory
- https://github.com/roundcube/roundcubemail/commit/acd32a86f631dd6dcda8ac3ec7bd9ba4d4c0c117 · patch
- https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5 · vendor-advisory, release-notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.5 · release-notes, patch
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.20 · release-notes, patch
- https://github.com/roundcube/roundcubemail/commit/79adcfc0c48012bbbe930278471425027fd7331c · patch
Sources: CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.