CVE-2026-114716

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a mail header injection vulnerability. rcmailsendmail::extractinlineimages used the media type taken from an inline image data URI without validating it, so a remote authenticated attacker could inject arbitrary MIME part heade...

CVE-2026-114718

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a cross-site scripting vulnerability in the password plugin. Error text returned by a password driver was concatenated into the message presented to the user without HTML escaping, so a backend able to influence that text, such...

CVE-2026-114720

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in th...

CVE-2026-114719

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a CSRF validation bypass in the mark-as-junk action of the markasjunk plugin. The plugin read the uid parameter from POST data but passed it to rcmail::getuids without constraining the input mode, so values re-read inside that...

CVE-2026-114721

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 allows the disabledactions configuration setting to be bypassed. The check compared only the action name as requested, so a remote authenticated attacker could reach an action listed in disabledactions by requesting it through its deprecated...

DEBIAN-CVE-2026-114715

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an incorrect authorization vulnerability in the Modoboa driver of the password plugin. The driver took the first entry of the account search result returned by the Modoboa API instead of matching the authenticated user, so a...

CVE-2026-114715

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an incorrect authorization vulnerability in the Modoboa driver of the password plugin. The driver took the first entry of the account search result returned by the Modoboa API instead of matching the authenticated user, so a...

CVE-2026-114732

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcubeuser::query matched the address against identity records without qualifying the lookup by IMAP host, so a log...

EUVD-2026-107999

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcubeuser::query matched the address against identity records without qualifying the lookup by IMAP host, so a log...

CVE-2026-114732

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcubeuser::query matched the address against identity records without qualifying the lookup by IMAP host, so a log...

CVE-2026-114732

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcubeuser::query matched the address against identity records without qualifying the lookup by IMAP host, so a log...

CVE-2026-114732

Roundcube Webmail versions before 1.6.20 and 1.7.x before 1.7.5 are vulnerable to an improper authentication flaw in multi-host installations. The root cause is that the rcube_user::query() function fails to qualify identity record lookups by IMAP host when a user logs in with an alias address . ...

CVE-2026-114732

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcubeuser::query matched the address against identity records without qualifying the lookup by IMAP host, so a log...

EUVD-2026-107998

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an uncontrolled resource consumption vulnerability in the CSS proxy the utils/modcss action. The fetched stylesheet was read into memory in full, with no size limit and no read timeout, so a stylesheet URL referencing an...

CVE-2026-114731

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an uncontrolled resource consumption vulnerability in the CSS proxy the utils/modcss action. The fetched stylesheet was read into memory in full, with no size limit and no read timeout, so a stylesheet URL referencing an...

CVE-2026-114731

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an uncontrolled resource consumption vulnerability in the CSS proxy the utils/modcss action. The fetched stylesheet was read into memory in full, with no size limit and no read timeout, so a stylesheet URL referencing an...

CVE-2026-114731

Roundcube Webmail versions before 1.6.20 and 1.7.x before 1.7.5 are vulnerable to an uncontrolled resource consumption vulnerability (CWE-770) within the CSS proxy (utils/modcss action). The root cause is that fetched stylesheets are read into memory in full without a size limit or read timeout, ...

CVE-2026-114731

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an uncontrolled resource consumption vulnerability in the CSS proxy the utils/modcss action. The fetched stylesheet was read into memory in full, with no size limit and no read timeout, so a stylesheet URL referencing an...

CVE-2026-114731

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an uncontrolled resource consumption vulnerability in the CSS proxy the utils/modcss action. The fetched stylesheet was read into memory in full, with no size limit and no read timeout, so a stylesheet URL referencing an...

CVE-2026-114730

Roundcube Webmail 1.6.14 before 1.6.20 and 1.7.0 before 1.7.5 is affected by a server-side request forgery filter bypass. The network blocklist used by rcubeutils::islocalurl omitted the RFC 6052 NAT64 prefix 64:ff9b::/96, the RFC 8215 local-use NAT64 prefix 64:ff9b:1::/48 and the unspecified...