Roundcube Webmail up to 1.5.11/1.6.11 information disclosure

Summaryinfo

A vulnerability has been found in Roundcube Webmail up to 1.5.11/1.6.11 and classified as problematic. This impacts an unknown function. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2025-68460. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Roundcube Webmail up to 1.5.11/1.6.11. It has been classified as problematic. This affects an unknown part. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a information disclosure vulnerability in the HTML style sanitizer.

The advisory is shared at roundcube.net. This vulnerability is uniquely identified as CVE-2025-68460 since 12/18/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 279103 (Linux Distros Unpatched Vulnerability : CVE-2025-68460), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.5.12 or 1.6.12 eliminates this vulnerability. Applying the patch 08de250fba731b634bed188bbe18d2f6ef3c7571 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202512-3718), Tenable (279103) and CERT Bund (WID-SEC-2025-2854). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

• Debian Linux
• Open Source Roundcube

Productinfo

Type

• Mail Client Software

Vendor

• Roundcube

Name

• Webmail

Version

• 1.5.0
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4
• 1.5.5
• 1.5.6
• 1.5.7
• 1.5.8
• 1.5.9
• 1.5.10
• 1.5.11
• 1.6.0
• 1.6.1
• 1.6.2
• 1.6.3
• 1.6.4
• 1.6.5
• 1.6.6
• 1.6.7
• 1.6.8
• 1.6.9
• 1.6.10
• 1.6.11

License

• free

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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