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 (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...

PT-2026-43108

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 Remote image blocking is not honored for URLs pointing to local or private destinations. This issue can be triggered via a text/html email...

Oracle Linux 10 : freeipmi (ELSA-2026-13515)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-13515 advisory. 1.6.17-1 - Update to 1.6.17 1.6.14-6 - .fmf/version: Add fmf metadtata root 1.6.14-5 - gating: RHEL-10: Add OSCI testing Tenable has extracted the preceding...

openSUSE 16 Security Update : roundcubemail (openSUSE-SU-2026:20586-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20586-1 advisory. Changes in roundcubemail: - update to 1.6.15 This is a security update to the stable version 1.6 of Roundcube Webmail. It provides fixes to some...

Security update for roundcubemail (important)

openSUSE Security Update: Security update for roundcubemail Announcement ID: openSUSE-SU-2026:0141-1 Rating: important References: 1261157 1261488 Cross-References: CVE-2026-35537 Affected Products: openSUSE Backports SLE-15-SP7 An update that solves one vulnerability and has one errata is now...

SUSE CVE-2026-35537

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data...

EUVD-2026-18581

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...

EUVD-2026-18591

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...

GHSA-X4Q5-8J5G-HPJC Roundcube Webmail: Insufficient HTML attachment sanitization in preview mode

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...

EUVD-2026-18587

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...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the session handler for redis and memcache. An attacker can perform arbitrary file write operations by submitting crafted session data. Details Serialization is a process of converting an object into...

Incorrect Resource Transfer Between Spheres

Overview Affected versions of this package are vulnerable to Incorrect Resource Transfer Between Spheres in the CSS sanitization process for HTML email messages. An attacker can inject malicious CSS by crafting specially formatted HTML emails that exploit the lack of proper sanitization,...

Roundcube: Bypass of remote image blocking via crafted BODY background attribute

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...

Roundcube Webmail: Bypass of remote image blocking via SVG content (with animate attributes) in an e-mail message

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...

Roundcube Webmail: Insufficient HTML attachment sanitization in preview mode

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...

EUVD-2026-18579

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search...