CVE-2026-56358

n8n before 1.123.25 1.x and before 2.11.2 2.x, with the fix also included in 2.12.0, contains a stored cross-site scripting vulnerability in the Form Trigger node's CSS sanitization that allows authenticated users to inject malicious scripts. Attackers with workflow creation permissions can injec...

EUVD-2026-38754

n8n before 1.123.25 1.x and before 2.11.2 2.x, with the fix also included in 2.12.0, contains a stored cross-site scripting vulnerability in the Form Trigger node's CSS sanitization that allows authenticated users to inject malicious scripts. Attackers with workflow creation permissions can injec...

SUSE CVE-2026-35540

An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. 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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-48843

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 le...

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...

EUVD-2026-31718

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-2026-48843

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-2026-48843

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...

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...

USN-8223-1 roundcube vulnerabilities

It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly use this issue to cause a homograph attack. CVE-2019-15237 It was discovered that Roundcube Webmail did not properly sanitize certain attributes when handling CSS within HTML messages and...

CVE-2026-35544

A flaw was found in Roundcube Webmail. Insufficient sanitization of Cascading Style Sheets CSS in HTML email messages allows a remote attacker to bypass fixed-position mitigations. This can lead to a bypass of security controls designed to prevent certain types of attacks...

CVE-2026-35540

A flaw was found in Roundcube Webmail. Insufficient sanitization of Cascading Style Sheets CSS in HTML e-mail messages may allow a remote attacker to perform Server-Side Request Forgery SSRF or disclose sensitive information. This can occur if malicious stylesheet links within an e-mail point to...

EUVD-2026-18583

An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. 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...

GHSA-VXG2-HHGR-37FX Roundcube Webmail: Insufficient CSS sanitization in HTML e-mail messages

An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. 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...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the processing of HTML e-mail messages due to insufficient sanitization of CSS. An attacker can access sensitive information or interact with internal network resources by embedding malicious styleshe...