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CVE-2026-114728

CVE-2026-114728

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

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass in the handling of FuncIRI attributes. rcube_washtml detected the CSS url() token with a pattern that enumerated only some of its escaped spellings, so values using other CSS escape sequences, for example \000075rl( or u\72 l(, were not recognized and remote content was loaded from an HTML message without the user's consent. Upstream fixed this in the commit “Fix remote content blocking bypass via CSS escapes in FuncIRI attributes (again)”, which resolves CSS escapes before matching and also inspects the `to`, `from` and `by` attributes.

CVSS 5.3 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • webmail

    Versions
    • ≥ 1.6.0, < 1.6.20: Affected (semver)
    • ≥ 1.7.0, < 1.7.5: Affected (semver)

    Update to 1.6.20; Update to 1.7.5

  • roundcube Debian:12

    Versions
    • 1.6.1+dfsg-1
    • 1.6.10+dfsg-1
    • 1.6.10+dfsg-2
    • 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
    • 1.6.16+dfsg-1
    • 1.6.17+dfsg-1
    • 1.6.18+dfsg-1
    • 1.6.19+dfsg-1
    • 1.6.2+dfsg-1
    • 1.6.20+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+deb12u10
    • 1.6.5+dfsg-1+deb12u11
    • 1.6.5+dfsg-1+deb12u12
    • 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+deb12u9
    • 1.6.5+dfsg-1~deb12u1
    • 1.6.6+dfsg-1
    • 1.6.6+dfsg-2
    • 1.6.7+dfsg-1
    • 1.6.8+dfsg-1
    • 1.6.8+dfsg-2
    • 1.6.9+dfsg-1
    • 1.6.9+dfsg-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • 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
    • 1.6.16+dfsg-0+deb13u1
    • 1.6.16+dfsg-1
    • 1.6.17+dfsg-0+deb13u1
    • 1.6.17+dfsg-1
    • 1.6.18+dfsg-0+deb13u1
    • 1.6.18+dfsg-1
    • 1.6.19+dfsg-0+deb13u1
    • 1.6.19+dfsg-1
    Affected ranges
    • ECOSYSTEM: < 1.6.20+dfsg-0+deb13u1

    Update to 1.6.20+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
    • 1.6.16+dfsg-1
    • 1.6.17+dfsg-1
    • 1.6.18+dfsg-1
    • 1.6.19+dfsg-1
    Affected ranges
    • ECOSYSTEM: < 1.6.20+dfsg-1

    Update to 1.6.20+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: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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