CVE-2026-48847

3.7 LOW

Published: May 25, 2026 Modified: May 26, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/roundcube/roundcubemail/commit/703318e6a59515b73b0d8aa2a91e346b02f56baa

Source: cve@mitre.org

https://github.com/roundcube/roundcubemail/commit/a4eb375b98cc3d055de665c34efc729dd8ef272a

Source: cve@mitre.org

https://github.com/roundcube/roundcubemail/releases/tag/1.6.16

Source: cve@mitre.org

https://github.com/roundcube/roundcubemail/releases/tag/1.7.1

Source: cve@mitre.org

https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1

Source: cve@mitre.org

5 reference(s) from NVD

Quick Stats

CVSS v3 Score

3.7 / 10.0

EPSS (Exploit Probability)

0.1%

21th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-669

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