Roundcube Webmail Project Roundcube Webmail Input validation error vulnerability

The Roundcube Webmail project contains an input validation error vulnerability in versions prior to 1.6.20 and 1.7.5 of version 1.7.x. This vulnerability stems from incomplete recognition of CSS escape sequences when processing the FuncIRI attribute, allowing remote content to be bypassed. As a...

Astra Linux – Vulnerability in Thunderbird

If a Thunderbird user quoted an HTML email, for example by replying to that email, and the email contained a VIDEO tag with the POSTER attribute or an OBJECT tag with a DATA attribute, a network request to the referenced remote URL would be made, regardless of any configuration that blocks remote...

CVE-2026-73531

django-helpdesk before 2.3.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject arbitrary JavaScript by submitting HTML-formatted email messages or uploading .html/.htm file attachments through public ticket submission channels. Attackers can...

EUVD-2026-43749

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...

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...

UBUNTU-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...

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...

GHSA-C8M7-R2JV-RW63 EGroupware Vulnerable to Local File Inclusion via file:// URI in Mail Compose

Summary The function processes image URLs embedded in an HTML email body without validating or restricting URI schemes. The check !strstartswith$myUrl, 'http' evaluates to true for file:// URIs, causing filegetcontents$basedir . urldecode$myUrl to read arbitrary files from the server filesystem a...

PT-2026-58097

Name of the Vulnerable Software and Affected Versions Roundcube affected versions not specified Description A Server-Side Request Forgery SSRF issue exists in the Roundcube webmail application. This allows an attacker to induce the server to make requests to an arbitrary destination...

Astra Linux - vulnerability in Thunderbird

When a user explicitly asked Thunderbird to decrypt an inline OpenPGP message embedded within a text section of an email that was formatted and styled using HTML and CSS, the decrypted contents appeared in a context where the CSS styles from the outer messages remained active. Should the user hav...

SUSE CVE-2026-48843

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 fo...

CVE-2026-48843

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 fo...

UBUNTU-CVE-2026-48843

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 fo...

CVE-2026-48843

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 fo...

CVE-2026-48845

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...

CVE-2026-48843

Roundcube Webmail 1.6.x (1.6.14–1.6.16) and 1.7.x before 1.7.1 expose an issue where insufficient CSS sanitization in HTML email messages can cause SSRF or information disclosure, for example via stylesheet links pointing to local network hosts. This stems from an insufficient fix for CVE-2026-35...

CVE-2026-48843

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 fo...

CVE-2026-48843

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 fo...

Roundcube Webmail security vulnerability

Roundcube Webmail is a browser-based open source IMAP client from Roundcube that supports address book management, message searching, spell checking, and more. A security vulnerability exists in Roundcube Webmail versions 1.6.14 through 1.6.16 and prior to 1.7.1, which stems from the remote image...

PT-2026-43106

Name of the Vulnerable Software and Affected Versions Roundcube Webmail versions 1.6.14 through 1.6.16 Roundcube Webmail versions prior to 1.7.1 Description Insufficient Cascading Style Sheets CSS sanitization in HTML e-mail messages may lead to Server-Side Request Forgery SSRF, where an attacker...