PT-2026-43115 · Roundcube · Webmail

Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-48849

Mitre

CVSS v3.1

4.4

Medium

Base vector

AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-48849

Affected Products

Webmail

References · 5

• https://github.com/roundcube/roundcubemail/releases/tag/1.7.1 · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.16 · Note
• https://github.com/roundcube/roundcubemail/commit/a21519187873ce962db029b6ff68e47bd7f3fd8a · Note
• https://github.com/roundcube/roundcubemail/commit/189d30a4890319cd687df959ca9f768a3a613d61 · Note
• https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1 · Note