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CVE-2026-48846

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() v

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.6.16, 1.7.1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Roundcube Webmail

    From 1.6.0 · fixed in 1.6.16; From 1.7.0 · fixed in 1.7.1

References 5

roundcube.net

GitHub · roundcube/roundcubemail