Description
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.
Published: 2026-05-25
Score: 3.7 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4604-1 roundcube security update
Debian DSA Debian DSA DSA-6301-1 roundcube security update
History

Tue, 26 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 25 May 2026 20:45:00 +0000

Type Values Removed Values Added
Title Pre-authentication Arbitrary File Deletion via Session Poisoning in Roundcube Webmail

Mon, 25 May 2026 19:45:00 +0000

Type Values Removed Values Added
Description 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.
First Time appeared Roundcube
Roundcube webmail
Weaknesses CWE-669
CPEs cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Vendors & Products Roundcube
Roundcube webmail
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Subscriptions

Roundcube Webmail
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-26T13:02:10.123Z

Reserved: 2026-05-25T19:23:40.394Z

Link: CVE-2026-48847

cve-icon Vulnrichment

Updated: 2026-05-26T13:02:05.131Z

cve-icon NVD

Status : Deferred

Published: 2026-05-25T20:16:37.287

Modified: 2026-06-17T10:55:17.470

Link: CVE-2026-48847

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-25T21:00:10Z

Weaknesses