CVE-2026-48845 Details
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.
A vulnerability exists in Roundcube Webmail versions 1.6.x (1.6.14 to 1.6.16) and 1.7.x (prior to 1.7.1) that allows local or private URLs to bypass remote image blocking. This could lead to unauthorized information disclosure or privilege escalation through a text/html email message.
Users can update to Roundcube Webmail versions 1.6.16 or 1.7.1, both of which include the necessary fix. Instructions for downloading these versions are available on the Roundcube website or through the Roundcube GitHub repository.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed May 25, 2026CISA-ADP
Assessed May 26, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/roundcube/roundcubemail/commit/7b52353653a67e6073b97d70eb94047132b78556 | [email protected] | Source CodeVendor |
| https://github.com/roundcube/roundcubemail/commit/d82b8c6cd06c378eca6d647ccd548f4ff1c68659 | [email protected] | Source CodeVendor |
| https://github.com/roundcube/roundcubemail/releases/tag/1.6.16 | [email protected] | Release NotesVendor |
| https://github.com/roundcube/roundcubemail/releases/tag/1.7.1 | [email protected] | Release NotesVendor |
| https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1 | [email protected] | AdvisoryBundleRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-669 | Incorrect Resource Transfer Between Spheres | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Roundcube | >= 1.6.14, <= 1.6.16 (semver) >= 1.7, < 1.7.1 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 25, 2026 | New CVE Received | [email protected] |