Roundcube Webmail vulnerabilities, page 5

107 vulnerabilities

Known vulnerabilities in Roundcube Webmail, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

6.5CVE-2026-48846debianroundcube+2
EPSS score
0.48%
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, the remote image blocking feature can be bypassed via a crafted CSS var() value in an e-mail message, which may lead to information disclosure or access-control bypass.
7.2CVE-2026-48843debianroundcube+2
EPSS score
0.27%
Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has 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. The issue stems from an insufficient fix for CVE-2026-35540.
7.5CVE-2026-48844debianroundcube+2
EPSS score
0.51%
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has insecure code evaluation logic in LDAP the autovalues option that could lead to code injection. (Support for code evaluation has been removed in 1.6.16 and 1.7.1.)
8.1CVE-2026-48842debianroundcube+2
EPSS score
0.89%
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.
6.5CVE-2026-48845debianroundcube+2
EPSS score
0.45%
In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.
4.4CVE-2026-48849debianroundcube+2
EPSS score
0.26%
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.
7.2CVE-2026-48848debianroundcube+2
EPSS score
0.45%
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.
4.3CVE-2026-25916debianroundcube+2
EPSS score
0.54%
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.
9.8CVE-2026-75003debianroundcube+2
EPSS score
0.58%
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.
5.8CVE-2026-75000debianroundcube+2
EPSS score
0.47%
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.
6.4CVE-2026-75010debianroundcube+2
EPSS score
0.39%
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the modoboa driver of the password plugin could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This issue only affects Roundcube instances using the password plugin with its modoboa driver.
4.3CVE-2026-75004debianroundcube+2
EPSS score
0.37%
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper rule name quoting could lead to managesieve_disabled_actions setting bypass via a crafted rule name in a Sieve script. This issue only affects Roundcube instances using the managesieve plugin.
8.8CVE-2026-75007debianroundcube+2
EPSS score
0.50%
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the LDAP search filter was subject to injection via unescaped %u/%fu/%d substitution, which may lead to information disclosure or privilege escalation.
5.8CVE-2026-75006debianroundcube+2
EPSS score
0.42%
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, 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. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.
7.1CVE-2026-75002debianroundcube+2
EPSS score
2.28%
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.
6.1CVE-2026-35539debianroundcube+2
EPSS score
0.35%
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. XSS exists because of insufficient HTML attachment sanitization in preview mode. A victim must preview a text/html attachment.
5.3CVE-2026-35542debianroundcube+2
EPSS score
0.53%
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass.
5.3CVE-2026-35543debianroundcube+2
EPSS score
0.53%
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.
4.2CVE-2026-35541debianroundcube+2
EPSS score
0.31%
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password.
5.3CVE-2026-35544debianroundcube+2
EPSS score
0.51%
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.