Actively exploited in the wild
Roundcube Webmail Remote Code Execution Vulnerability
Roundcube - Roundcube Webmail · Listed in the CISA KEV since 2023-06-22. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2020-12641
CriticalCVSS 9.8KEVSummary
rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.
Risk Assessment
An attacker can execute arbitrary code on the server, potentially leading to takeover of the mail server and access to sensitive data.
Recommendation
Update Roundcube Webmail to version 1.4.4 or later and verify the im_convert_path and im_identify_path configuration settings.
Other vulnerabilities in Roundcube Webmail
See all- CVE-2015-5383High
Roundcube Webmail 1.1.x before 1.1.2 allows remote attackers to obtain sensitive information by reading files in the (1) config, (2) temp, or (3) logs directory.
- CVE-2017-8114High
Roundcube Webmail allows arbitrary password resets by authenticated users. This affects versions before 1.0.11, 1.1.x before 1.1.9, and 1.2.x before 1.2.5. The problem is caused by an improperly restricted exec call in the virtualmin and sasl drivers of the password plugin.
- CVE-2016-4069High
CVE-2016-4069 in Roundcube Webmail before version 1.1.5 has a cross-site request forgery (CSRF) vulnerability that allows remote attackers to hijack user authentication for requests that download attachments. This can lead to denial of service through unspecified vectors.
- CVE-2026-75010Medium
Roundcube Webmail before 1.6.18 and 1.7.3 has a vulnerability in the modoboa driver of the password plugin that could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This affects only instances using the password plugin with the modoboa driver.
- CVE-2026-75007Medium
Roundcube Webmail before 1.6.18 and 1.7.3 is vulnerable to LDAP search filter injection via unescaped %u/%fu/%d substitution, which may lead to information disclosure or privilege escalation.
- CVE-2026-75006Medium
Roundcube Webmail before 1.6.18 and 1.7.3 has insufficient CSS sanitization in HTML emails, which may lead to SSRF or information disclosure, e.g., if stylesheet links point to local network hosts. This is due to incomplete fixes for CVE-2026-35540, CVE-2026-48843, and CVE-2026-62643.
- CVE-2026-75004Medium
Roundcube Webmail before 1.6.18 and 1.7.3 has improper rule name quoting that could lead to managesieve_disabled_actions setting bypass via a crafted rule name in a Sieve script. This affects only instances using the managesieve plugin.
- CVE-2026-75003Medium
Roundcube Webmail before 1.6.18 and 1.7.3 has an unclosed url() in a FuncIRI attribute of an SVG image that could evade remote image blocking, potentially leading to information disclosure or privilege escalation.
- CVE-2026-75002High
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-2026-75000Medium
Roundcube Webmail before 1.6.18 and 1.7.3 has improper HTML/CSS sanitization of the SVG animate "by" attribute that may lead to remote image blocking bypass, potentially resulting in information disclosure or privilege escalation.
Original NVD description (English source)
rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.

