CVE-2026-48847 LOW

CVE-2026-48847

Vendor Roundcube

Product Webmail

Weakness CWE-669

Published May 25, 2026

Last update May 26, 2026

View on NVD All CVEs

CVSS base score

3.7/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality None

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 25, 2026 CVE published

May 26, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-48847 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/669.html

Identifiers

CVE CVE-2026-48847

CWE CWE-669

CVSS 3.7 / LOW

Affected versions

Vendor Roundcube

Product Webmail

Affected ≥ 1.6.0 and < 1.6.16

Vendor Roundcube

Product Webmail

Affected ≥ 1.7.0 and < 1.7.1