PT-2026-43110 · Roundcube · Webmail

Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-48847

Mitre

CVSS v3.1

3.7

Low

Base vector

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

Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.

Fix

Weakness Enumeration

CWE-669

Related Identifiers

CVE-2026-48847

Affected Products

Webmail

References · 5

• https://github.com/roundcube/roundcubemail/commit/703318e6a59515b73b0d8aa2a91e346b02f56baa · Note
• 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/a4eb375b98cc3d055de665c34efc729dd8ef272a · Note
• https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1 · Note