CVE-2026-48847
Deferred Deferred - Pending Action
Arbitrary File Deletion in Roundcube Webmail

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: MITRE

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.
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Meta Information
Published
2026-05-25
Last Modified
2026-05-25
Generated
2026-06-15
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-48847
EUVD
EUVD-2026-31724
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
roundcube roundcube to 1.6.16 (exc)
roundcube roundcube to 1.7.1 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-669 The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource.
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Executive Summary

This vulnerability affects Roundcube Webmail versions 1.6.x before 1.6.16 and 1.7.x before 1.7.1. It allows an attacker to delete arbitrary files without authentication by exploiting a session poisoning technique involving redis or memcache.

Impact Analysis

The impact of this vulnerability is limited to availability since it allows arbitrary file deletion. An attacker could delete important files, potentially disrupting the normal operation of the Roundcube Webmail service.

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