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...

PT-2026-76641

Name of the Vulnerable Software and Affected Versions Roundcube Webmail versions prior to 1.6.18 Roundcube Webmail versions 1.7.x prior to 1.7.3 Description Improper HTML/CSS sanitization of the by attribute within the SVG animate element allows for a remote image blocking bypass. This failure to...

PT-2026-76642

Name of the Vulnerable Software and Affected Versions Roundcube Webmail versions prior to 1.6.18 Roundcube Webmail versions 1.7.x prior to 1.7.3 Description An issue exists where mail search and LITERAL+ byte-count desynchronization can occur. This condition allows for IMAP command injection, whi...

PT-2026-76643

Name of the Vulnerable Software and Affected Versions Roundcube Webmail versions prior to 1.6.18 Roundcube Webmail versions 1.7.x prior to 1.7.3 Description An unclosed url in a FuncIRI attribute of an SVG image allows the evasion of remote image blocking. This flaw could potentially lead to...

PT-2026-76647

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...

PT-2026-76649

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...

[SECURITY] Fedora 43 Update: roundcubemail-1.6.17-1.fc43

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in...

[SECURITY] Fedora 44 Update: roundcubemail-1.7.2-1.fc44

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in...

Linux Distros Unpatched Vulnerability : CVE-2026-62642

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening...

SUSE CVE-2026-54433

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 plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message zero-click...

SUSE CVE-2026-62643

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, 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. NOTE: this issue exists because of insufficient fixes for...

SUSE CVE-2026-62644

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover...

Linux Distros Unpatched Vulnerability : CVE-2026-62643

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets CSS sanitization in HTML e-mail messages may lead to SSRF or...

Linux Distros Unpatched Vulnerability : CVE-2026-62644

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which...

CVE-2026-62641

A flaw was found in Roundcube Webmail. The TNEF Transport Neutral Encapsulation Format decoder, which handles winmail.dat files, is vulnerable to a denial of service. A remote attacker could send a specially crafted compressed-RTF Rich Text Format file, causing the decoder to consume excessive...

CVE-2026-62642

A flaw was found in Roundcube Webmail. A remote attacker could exploit an infinite loop vulnerability in the TNEF Transport Neutral Encapsulation Format decoder by sending a specially crafted email with a TNEF attachment. This could lead to a denial of service, making the webmail service...

CVE-2026-62644

A flaw was found in the password plugin of Roundcube Webmail. A remote attacker with low privileges could exploit a username spoofing vulnerability by manipulating session data. This could lead to an account takeover, allowing the attacker to gain unauthorized access to a user's webmail account...

CVE-2026-62643

A flaw was found in Roundcube Webmail. Insufficient sanitization of Cascading Style Sheets CSS within HTML email messages allows a remote attacker to perform Server-Side Request Forgery SSRF or disclose sensitive information. This vulnerability occurs when stylesheet links point to local network...

CVE-2026-54433

A flaw was found in Roundcube Webmail. A remote attacker could exploit a Stored Cross-Site Scripting XSS vulnerability by sending a specially crafted plain-text email message. When the victim opens or previews this message, attacker-controlled JavaScript executes within their authenticated sessio...

CVE-2026-54432

Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting XSS. The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page...