Vulnerability Description
In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/roundcube/roundcubemail/commit/7b52353653a67e6073b97d70eb9404
- https://github.com/roundcube/roundcubemail/commit/d82b8c6cd06c378eca6d647ccd548f
- 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-2026-48845?
CVE-2026-48845 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclo...
How severe is CVE-2026-48845?
CVE-2026-48845 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48845?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.