CVE catalog
CVE-2026-62643
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if styleshee
- Severity
- Critical · CVSS 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.25% · Oct 25, 2026
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, 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. NOTE: this issue exists because of insufficient fixes for CVE-2026-35540 and CVE-2026-48843.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | roundcube | sid | 1.6.20+dfsg-1 | fixed |
| Debian | roundcube | forky | 1.6.20+dfsg-1 | fixed |
| Debian | roundcube | trixie | 1.6.18+dfsg-0+deb13u1 | fixed |
| Debian | roundcube | trixie-security | 1.6.20+dfsg-0+deb13u1 | fixed |
| Debian | roundcube | bookworm | 1.6.5+dfsg-1+deb12u9 | vulnerable |
| Debian | roundcube | bookworm-security | 1.6.5+dfsg-1+deb12u12 | fixed |
| Cpe | roundcube | Not reported | Not reported | vulnerable |
| Cpe | webmail | Not reported | 1.7.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | roundcube | source | sid | 1.6.17+dfsg-1 | not yet assigned | Not reported | [1141495] |
| Debian | roundcube | source | forky | 1.6.17+dfsg-1 | not yet assigned | Not reported | [1141495] |
| Debian | roundcube | source | trixie | 1.6.17+dfsg-0+deb13u1 | not yet assigned | Not reported | [1141495] |
| Debian | roundcube | source | bookworm | 1.6.5+dfsg-1+deb12u10 | not yet assigned | Not reported | [1141495] |
| Cpe | webmail | cpe | Not reported | 1.7.2 | Not reported | NVD-CVE-2026-62643 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [roundcube]Affected
Details (4)
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- [roundcube-core]Affected
Source package: [roundcube]
Details (4)
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- [roundcube-mysql]Affected
Source package: [roundcube]
Details (4)
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- [roundcube-pgsql]Affected
Source package: [roundcube]
Details (4)
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- [roundcube-plugins]Affected
Source package: [roundcube]
Details (4)
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- [roundcube-sqlite3]Affected
Source package: [roundcube]
Details (4)
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u9· all · bookwormAffected · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
1.6.5+dfsg-1+deb12u11· all · bookworm-securityFixed · Fixed:
1.6.5+dfsg-1+deb12u10nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
[Debian 13 (Trixie)]
- [roundcube]Affected
Details (7)
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.17+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.19+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.20+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
- [roundcube-core]Affected
Source package: [roundcube]
Details (7)
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.17+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.19+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.20+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
- [roundcube-mysql]Affected
Source package: [roundcube]
Details (7)
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.17+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.19+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.20+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
- [roundcube-pgsql]Affected
Source package: [roundcube]
Details (7)
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.17+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.19+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.20+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
- [roundcube-plugins]Affected
Source package: [roundcube]
Details (7)
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.17+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.19+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.20+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
- [roundcube-sqlite3]Affected
Source package: [roundcube]
Details (7)
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.16+dfsg-0+deb13u1· all · trixieAffected · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.17+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.18+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.19+dfsg-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
1.6.20+dfsg-0+deb13u1· all · trixie-securityFixed · Fixed:
1.6.17+dfsg-0+deb13u1nvd · roundcube · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_12169-1.json]
- [https://github.com/roundcube/roundcubemail/commit/294c7da6e7284166f040cef8607b677d459e0786]
- [https://github.com/roundcube/roundcubemail/commit/6d69e094d55d3a9a84dfb36edf6ca985311f0c1c]
- [https://github.com/roundcube/roundcubemail/releases/tag/1.6.17]
- [https://github.com/roundcube/roundcubemail/releases/tag/1.7.2]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-62643]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-62643]
- [https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2]
- [https://security-tracker.debian.org/tracker/CVE-2026-62643]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-62643.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2207.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]