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CVE-2026-48843

CVE-2026-48843

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. The issue stems from an insufficient fix for CVE-2026-35540.

CVSS 7.2 · High · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • webmail

    Versions
    • ≥ 1.6.14, < 1.6.16: Affected (semver)
    • ≥ 1.7.0, < 1.7.1: Affected (semver)

    Update to 1.6.16; Update to 1.7.1

  • roundcube Debian:12

    Versions
    • 1.6.1+dfsg-1
    • 1.6.2+dfsg-1
    • 1.6.3+dfsg-1
    • 1.6.3+dfsg-1~deb12u1
    • 1.6.3+dfsg-2
    • 1.6.4+dfsg-1
    • 1.6.4+dfsg-1~deb12u1
    • 1.6.5+dfsg-1
    • 1.6.5+dfsg-1+deb12u2
    • 1.6.5+dfsg-1+deb12u3
    • 1.6.5+dfsg-1+deb12u4
    • 1.6.5+dfsg-1+deb12u5
    • 1.6.5+dfsg-1+deb12u6
    • 1.6.5+dfsg-1+deb12u7
    • 1.6.5+dfsg-1+deb12u8
    • 1.6.5+dfsg-1~deb12u1
    Affected ranges
    • ECOSYSTEM: < 1.6.5+dfsg-1+deb12u9

    Update to 1.6.5+dfsg-1+deb12u9

  • roundcube Debian:13

    Versions
    • 1.6.11+dfsg-1
    • 1.6.12+dfsg-0+deb13u1
    • 1.6.12+dfsg-1
    • 1.6.13+dfsg-0+deb13u1
    • 1.6.13+dfsg-1
    • 1.6.14+dfsg-1
    • 1.6.15+dfsg-0+deb13u1
    • 1.6.15+dfsg-1
    Affected ranges
    • ECOSYSTEM: < 1.6.16+dfsg-0+deb13u1

    Update to 1.6.16+dfsg-0+deb13u1

  • roundcube Debian:14

    Versions
    • 1.6.11+dfsg-1
    • 1.6.12+dfsg-1
    • 1.6.13+dfsg-1
    • 1.6.14+dfsg-1
    • 1.6.15+dfsg-1
    Affected ranges
    • ECOSYSTEM: < 1.6.16+dfsg-1

    Update to 1.6.16+dfsg-1

  • roundcube Ubuntu:Pro:16.04:LTS

    Versions
    • 1.1.1+dfsg.1-2
    • 1.1.2+dfsg.1-5
    • 1.1.3+dfsg.1-1
    • 1.1.4+dfsg.1-1
    • 1.2~beta+dfsg.1-0ubuntu1
    • 1.2~beta+dfsg.1-0ubuntu1+esm1
    • 1.2~beta+dfsg.1-0ubuntu1+esm2
    • 1.2~beta+dfsg.1-0ubuntu1+esm3
    • 1.2~beta+dfsg.1-0ubuntu1+esm4
    • 1.2~beta+dfsg.1-0ubuntu1+esm5
    • 1.2~beta+dfsg.1-0ubuntu1+esm6
    • 1.2~beta+dfsg.1-0ubuntu1+esm7
    • 1.2~beta+dfsg.1-0ubuntu1+esm8
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • roundcube Ubuntu:Pro:18.04:LTS

    Versions
    • 1.3.0+dfsg.1-1
    • 1.3.1+dfsg.1-1
    • 1.3.3+dfsg.1-1
    • 1.3.3+dfsg.1-2
    • 1.3.6+dfsg.1-1
    • 1.3.6+dfsg.1-1ubuntu0.1~esm1
    • 1.3.6+dfsg.1-1ubuntu0.1~esm2
    • 1.3.6+dfsg.1-1ubuntu0.1~esm3
    • 1.3.6+dfsg.1-1ubuntu0.1~esm4
    • 1.3.6+dfsg.1-1ubuntu0.1~esm5
    • 1.3.6+dfsg.1-1ubuntu0.1~esm6
    • 1.3.6+dfsg.1-1ubuntu0.1~esm7
    • 1.3.6+dfsg.1-1ubuntu0.1~esm8
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • roundcube Ubuntu:Pro:20.04:LTS

    Versions
    • 1.3.8+dfsg.1-2
    • 1.3.10+dfsg.1-1
    • 1.4.1+dfsg.1-2
    • 1.4.2+dfsg.1-1
    • 1.4.2+dfsg.1-2
    • 1.4.3+dfsg.1-1
    • 1.4.3+dfsg.1-1ubuntu0.1~esm1
    • 1.4.3+dfsg.1-1ubuntu0.1~esm2
    • 1.4.3+dfsg.1-1ubuntu0.1~esm3
    • 1.4.3+dfsg.1-1ubuntu0.1~esm4
    • 1.4.3+dfsg.1-1ubuntu0.1~esm5
    • 1.4.3+dfsg.1-1ubuntu0.1~esm6
    • 1.4.3+dfsg.1-1ubuntu0.1~esm7
    • 1.4.3+dfsg.1-1ubuntu0.1~esm8
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • roundcube Ubuntu:Pro:22.04:LTS

    Versions
    • 1.4.11+dfsg.1-4
    • 1.5.0+dfsg.1-2
    • 1.5.0+dfsg.1-2ubuntu0.1~esm1
    • 1.5.0+dfsg.1-2ubuntu0.1~esm2
    • 1.5.0+dfsg.1-2ubuntu0.1~esm3
    • 1.5.0+dfsg.1-2ubuntu0.1~esm4
    • 1.5.0+dfsg.1-2ubuntu0.1~esm5
    • 1.5.0+dfsg.1-2ubuntu0.1~esm6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • roundcube Ubuntu:Pro:24.04:LTS

    Versions
    • 1.6.2+dfsg-1
    • 1.6.4+dfsg-1
    • 1.6.5+dfsg-1
    • 1.6.6+dfsg-1
    • 1.6.6+dfsg-2
    • 1.6.6+dfsg-2ubuntu0.1
    • 1.6.6+dfsg-2ubuntu0.1+esm1
    • 1.6.6+dfsg-2ubuntu0.1+esm2
    • 1.6.6+dfsg-2ubuntu0.1+esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • roundcube Ubuntu:25.10

    Versions
    • 1.6.10+dfsg-1
    • 1.6.10+dfsg-2
    • 1.6.11+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • roundcube Ubuntu:26.10

    Versions
    • 1.6.11+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • roundcube Ubuntu:Pro:26.04:LTS

    Versions
    • 1.6.11+dfsg-1
    • 1.6.11+dfsg-1ubuntu0.26.04.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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