CVE-2026-75003

CVE-2026-75003 affects Roundcube Webmail versions before 1.6.18 and 1.7.x before 1.7.3 . Discovered by Milan Hoppe , the root cause is insufficient HTML/CSS sanitization of an unclosed url() in a FuncIRI attribute of an SVG image embedded in text/html emails. This allows evasion of the remote ima...

CVE-2026-75002

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection...

CVE-2026-75002

Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3 is vulnerable to IMAP command injection caused by mail search and LITERAL+ byte-count desynchronization, enabling information disclosure or privilege escalation (CVSS 7.1 HIGH). Patches are available in releases 1.6.18 and 1.7.3; no in-the-wi...

EUVD-2026-60168

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection...

CVE-2026-75002

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection...

CVE-2026-75000

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation...

EUVD-2026-60167

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation...

CVE-2026-75000

Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3 fails to sanitize the SVG animate "by" attribute, allowing attackers to bypass remote image blocking and potentially disclose information or escalate privileges. Patches are available in releases 1.6.18 and 1.7.3. No active exploitation is re...

CVE-2026-75000

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation...

CVE-2026-74999

Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3 is affected by a stored XSS in the "Add to address book" action. An authenticated attacker can inject malicious script that executes in the context of another user's session when they interact with the crafted address book entry. The CVSS 3.1...

EUVD-2026-60166

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS...

CVE-2026-74999

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS...

CVE-2026-74999

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS...

CVE-2026-74998

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS Cascading Style Sheets proxy were not validated, which may result in information disclosure or XSS cross-site scripting via MIME sniffing...

CVE-2026-74998

Roundcube Webmail versions before 1.6.18 and 1.7.x before 1.7.3 fail to validate CSS proxy responses, enabling XSS or information disclosure through MIME sniffing. CVSS 7.2 (HIGH), network-reachable with no privileges. No in-the-wild exploitation reported. Fix: upgrade to 1.6.18 or 1.7.3 (commits...

CVE-2026-74998

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS Cascading Style Sheets proxy were not validated, which may result in information disclosure or XSS cross-site scripting via MIME sniffing...

EUVD-2026-60165

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS Cascading Style Sheets proxy were not validated, which may result in information disclosure or XSS cross-site scripting via MIME sniffing...

CVE-2026-74997

Roundcube Webmail's markasjunk plugin cmd_learn driver allows RCE via crafted placeholder replacement values in versions before 1.6.18 and 1.7.x before 1.7.3. Fix: upgrade to 1.6.18 or 1.7.3. CVSS 8.8 (HIGH). Exploitation details not provided in documents.

EUVD-2026-60164

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmdlearn driver of the markasjunk plugin is subject to remote code execution via crafted placeholder replacement values. This issue only affects Roundcube instances using the markasjunk plugin with its cmdlearn driver...

CVE-2026-74997

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmdlearn driver of the markasjunk plugin is subject to remote code execution via crafted placeholder replacement values. This issue only affects Roundcube instances using the markasjunk plugin with its cmdlearn driver...