SUSE CVE-2026-114729

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass. rcubewashtml inspected the SVG SMIL animation attributes to, from and values for URIs, but not by; so markup such as in an HTML message caused remote content to be loaded without the user's...

SUSE CVE-2026-114731

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an uncontrolled resource consumption vulnerability in the CSS proxy the utils/modcss action. The fetched stylesheet was read into memory in full, with no size limit and no read timeout, so a stylesheet URL referencing an...

CVE-2024-42009

CVE-2024-42009 – Roundcube Stored XSS Docker PoC 📌 Overview This repository demonstrates a working Proof-of-Concept PoC for CVE-2024-42009 , a stored Cross-Site Scripting XSS vulnerability in Roundcube Webmail. The vulnerability is caused by improper HTML sanitization followed by unsafe attribute...

roundcube-cve-2025-49113-lab

"DISCLAIMER: Educational Use Only" Roundcube Webmail RCE – CVE-2025-49113 Lab This repository documents my step-by-step exploitation of Roundcube Webmail CVE-2025-49113 in a controlled lab to obtain the secret stored in /secret.txt. ⚠️ Disclaimer All work was performed against a lab / training...

CVE-2024-42009-roundcube-xss

CVE-2024-42009 — Roundcube Webmail 1.6.6 Stored XSS PoC For authorised security testing, CTF environments, and educational research only. Using this tool against systems you do not own or have written permission to test is illegal under the Computer Misuse Act 1990 UK, the CFAA US, and equivalent...

CVE-2026-114722

A flaw was found in Roundcube Webmail. When rendering incoming HTML messages, the application fails to properly confine Cascading Style Sheets CSS styling rules to the email body. A remote attacker can exploit this issue by sending a specially crafted email that alters the surrounding webmail...

CVE-2026-114718

A flaw was found in roundcubemail. The password plugin does not properly sanitize error messages returned by password drivers before displaying them in the web interface. A remote attacker or backend service capable of controlling these error responses can execute arbitrary script code in the...

CVE-2026-114730

A flaw was found in Roundcube Webmail. The application's internal URL validation mechanism fails to properly block certain IPv6 address representations, including transition prefixes and unspecified addresses. A remote attacker can exploit this flaw by submitting a crafted URL to bypass Server-Si...

CVE-2026-48849-Roundcube-Webmail-Stored-XSS

CVE-2026-48849 - Stored XSS, HTML Injection & CSS Injection in Roundcube Webmail Overview This repository contains a Proof-of-Concept PoC for CVE-2026-48849 , a Stored Cross-Site Scripting XSS, HTML Injection, and CSS Injection vulnerability in Roundcube Webmail. The vulnerability allows...

CVE-2025-49113-Roundcube-RCE

CVE-2025-49113 — Roundcube Post-Auth RCE via PHP Object Deserialization Overview Field| Details ---|--- CVE| CVE-2025-49113 Software| Roundcube Webmail Affected Versions| ≤ 1.6.10 Vulnerability| PHP object deserialization → RCE Authentication| Required any valid user Impact| Remote Code Execution...

DEBIAN-CVE-2026-114729

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass. rcubewashtml inspected the SVG SMIL animation attributes to, from and values for URIs, but not by; so markup such as in an HTML message caused remote content to be loaded without the user's...

DEBIAN-CVE-2026-114731

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an uncontrolled resource consumption vulnerability in the CSS proxy the utils/modcss action. The fetched stylesheet was read into memory in full, with no size limit and no read timeout, so a stylesheet URL referencing an...

DEBIAN-CVE-2026-114730

Roundcube Webmail 1.6.14 before 1.6.20 and 1.7.0 before 1.7.5 is affected by a server-side request forgery filter bypass. The network blocklist used by rcubeutils::islocalurl omitted the RFC 6052 NAT64 prefix 64:ff9b::/96, the RFC 8215 local-use NAT64 prefix 64:ff9b:1::/48 and the unspecified...

DEBIAN-CVE-2026-114732

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcubeuser::query matched the address against identity records without qualifying the lookup by IMAP host, so a log...

CVE-2026-114729

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass. rcubewashtml inspected the SVG SMIL animation attributes to, from and values for URIs, but not by; so markup such as in an HTML message caused remote content to be loaded without the user's...

CVE-2026-114731

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an uncontrolled resource consumption vulnerability in the CSS proxy the utils/modcss action. The fetched stylesheet was read into memory in full, with no size limit and no read timeout, so a stylesheet URL referencing an...

CVE-2026-114730

Roundcube Webmail 1.6.14 before 1.6.20 and 1.7.0 before 1.7.5 is affected by a server-side request forgery filter bypass. The network blocklist used by rcubeutils::islocalurl omitted the RFC 6052 NAT64 prefix 64:ff9b::/96, the RFC 8215 local-use NAT64 prefix 64:ff9b:1::/48 and the unspecified...

CVE-2026-114732

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcubeuser::query matched the address against identity records without qualifying the lookup by IMAP host, so a log...

CVE-2025-49113-PoC

CVE-2025-49113 Roundcube RCE PoC 🚀 How to launch the project 1. Starting the vulnerable server cd Stand docker-compose up -d 2. Running the script against the target cd PoC/src python3 scanner.py --target http://localhost:9000 --username test --password test --command "id" 📌 Key Requirements...

DEBIAN-CVE-2026-114727

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 passes potentially unsafe content into ImageMagick when resizing images. SVG and EPS were accepted as valid image types for contact photo upload and conversion, and both formats can reference external resources and invoke ImageMagick delegate...