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CVE-2026-48849

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stor

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.6.16, 1.7.1
1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · 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 6

roundcube.net

GitHub · roundcube/roundcubemail

GitHub · AnandJogawade/CVE-2026-48849-Roundcube-Webmail-Stored-XSS