CVE catalog

CVE-2026-75006

In Roundcube Webmail before 1.6.18 and 1.7.x before…

[CVE catalog]

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, 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. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.

Severity
Medium · CVSS 5.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.42% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "sid",
      "version": "1.6.20+dfsg-1"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "forky",
      "version": "1.6.20+dfsg-1"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "trixie",
      "version": "1.6.18+dfsg-0+deb13u1"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "trixie-security",
      "version": "1.6.20+dfsg-0+deb13u1"
    },
    {
      "name": "roundcube",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1.6.5+dfsg-1+deb12u9"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "1.6.5+dfsg-1+deb12u12"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1144059,
      "name": "roundcube",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.6.18+dfsg-1"
    },
    {
      "bug": 1144059,
      "name": "roundcube",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.6.18+dfsg-1"
    },
    {
      "bug": 1144059,
      "name": "roundcube",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1.6.18+dfsg-0+deb13u1"
    },
    {
      "bug": 1144059,
      "name": "roundcube",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1.6.5+dfsg-1+deb12u11"
    }
  ],
  "distribution_packages": [
    {
      "name": "webmail",
      "ranges": [
        {
          "fixed": "1.7.3",
          "introduced": "1.7.0",
          "last_affected": "",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "1.7.3",
      "provider_record_id": "NVD-CVE-2026-75006"
    }
  ]
}

[Debian bug #1144059]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [roundcube]Unknown
    Details (4)

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

  • [roundcube-core]Unknown

    Source package: [roundcube]

    Details (4)

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

  • [roundcube-mysql]Unknown

    Source package: [roundcube]

    Details (4)

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

  • [roundcube-pgsql]Unknown

    Source package: [roundcube]

    Details (4)

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

  • [roundcube-plugins]Unknown

    Source package: [roundcube]

    Details (4)

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

  • [roundcube-sqlite3]Unknown

    Source package: [roundcube]

    Details (4)

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u9 · all · bookworm

      Affected · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

    • 1.6.5+dfsg-1+deb12u11 · all · bookworm-security

      Fixed · Fixed: 1.6.5+dfsg-1+deb12u11

      nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

[Debian 13 (Trixie)]

  • [roundcube]Unknown
    Details (7)

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.20+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

  • [roundcube-core]Unknown

    Source package: [roundcube]

    Details (7)

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.20+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

  • [roundcube-mysql]Unknown

    Source package: [roundcube]

    Details (7)

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.20+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

  • [roundcube-pgsql]Unknown

    Source package: [roundcube]

    Details (7)

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.20+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

  • [roundcube-plugins]Unknown

    Source package: [roundcube]

    Details (7)

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.20+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

  • [roundcube-sqlite3]Unknown

    Source package: [roundcube]

    Details (7)

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.16+dfsg-0+deb13u1 · all · trixie

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Affected · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

    • 1.6.20+dfsg-0+deb13u1 · all · trixie-security

      Fixed · Fixed: 1.6.18+dfsg-0+deb13u1

      nvd · roundcube · debian · 13

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]