CVE-2026-48846

MEDIUM EPSS 25.7%
Published May 25, 20261mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
Find Similar
Published May 25, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, the remote image blocking feature can be bypassed via a crafted CSS var() value in an e-mail message, which may lead to information disclosure or access-control bypass.

CVSS Details

Base Score
6.5
Exploitability
3.9
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
25.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-669

References 5

  • github.com https://github.com/roundcube/roundcubemail/commit/59cca80908a61e662c5f81741449e9aeb91e8abe
  • github.com https://github.com/roundcube/roundcubemail/commit/852350486b88b35b8544e8a630fad89e99e2150a
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
  • roundcube.net https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.