DEBIAN-CVE-2026-54433: roundcube security update

DEBIAN-CVE-2026-54433, released July 8, 2026, fixes 1 CVE in roundcube. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

10.0

Base score, 0 to 10

Highest EPSS

0.0037

31st percentile

Fixed package versions

Product	Release	Fixed in
roundcube	Debian 12.15 (bookworm)	1.6.5+dfsg-1+deb12u10
roundcube	Debian 13.5 (trixie)	1.6.17+dfsg-0+deb13u1
roundcube	Debian 14	1.6.17+dfsg-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-54433	roundcube: In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted p...	10.0	0.0037	None reported

Also fixes CVE-2026-54433

OPENSUSE-SU-2026:22195-1
roundcubemail on opensuse-leap 16.0

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-54433

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