Vulnerability 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.
CVSS Score
3.7
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Related Weaknesses (CWE)
References
- https://github.com/roundcube/roundcubemail/commit/703318e6a59515b73b0d8aa2a91e34
- https://github.com/roundcube/roundcubemail/commit/a4eb375b98cc3d055de665c34efc72
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
- https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
FAQ
What is CVE-2026-48847?
CVE-2026-48847 is a vulnerability with a CVSS score of 3.7 (LOW). 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.
How severe is CVE-2026-48847?
CVE-2026-48847 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48847?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.