CVE catalog
CVE-2026-62644
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.50% · Oct 25, 2026
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.
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-2026-62644 | 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/5cdc6a48b40beabff7f0bf5d9035f4491e877e4c]
- [https://github.com/roundcube/roundcubemail/commit/7414fef51cd2407d39faab99680763f10ed5231d]
- [https://github.com/roundcube/roundcubemail/commit/83150ce04d689a70f92d511bcae40adba8d55476]
- [https://github.com/roundcube/roundcubemail/commit/9a96c20d8c7c9135876b68bebd6960af3ee60923]
- [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-2026-62644]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-62644]
- [https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2]
- [https://security-tracker.debian.org/tracker/CVE-2026-62644]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-62644.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]