CVE-2026-48847
Published:May 25, 2026
Updated:June 11, 2026
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.
Affected Packages
https://github.com/roundcube/roundcubemail.git (GITHUB):
Affected version(s) >=v0.1-beta2 <1.6.16Fix Suggestion:
Update to version 1.6.16https://github.com/roundcube/roundcubemail.git (GITHUB):
Affected version(s) =1.7.0 <1.7.1Fix Suggestion:
Update to version 1.7.1roundcube/roundcubemail (PHP):
Affected version(s) >=dev-release-1.7 <1.6.16Fix Suggestion:
Update to version 1.6.16roundcube/roundcubemail (PHP):
Affected version(s) =1.7.0 <1.7.1Fix Suggestion:
Update to version 1.7.1Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Incorrect Resource Transfer Between Spheres
EPSS
Base Score:
0.07