Roundcube Webmail up to 1.6.15/1.7.0 LDAP control flow

Summaryinfo

A vulnerability described as problematic has been identified in Roundcube Webmail up to 1.6.15/1.7.0. Affected by this vulnerability is an unknown functionality of the component LDAP. Such manipulation leads to control flow. This vulnerability is uniquely identified as CVE-2026-48844. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Roundcube Webmail up to 1.6.15/1.7.0. It has been rated as problematic. Affected by this issue is an unknown code block of the component LDAP. The manipulation with an unknown input leads to a control flow vulnerability. Using CWE to declare the problem leads to CWE-670. The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has insecure code evaluation logic in LDAP the autovalues option that could lead to code injection. (Support for code evaluation has been removed in 1.6.16 and 1.7.1.)

The advisory is shared for download at roundcube.net. This vulnerability is handled as CVE-2026-48844 since 05/25/2026. The exploitation is known to be difficult. The attack may be launched remotely. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 316791 (Linux Distros Unpatched Vulnerability : CVE-2026-48844), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.6.16 or 1.7.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316791) and EUVD (EUVD-2026-31717). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Mail Client Software

Vendor

• Roundcube

Name

• Webmail

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 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
• 1.6.12
• 1.6.13
• 1.6.14
• 1.6.15
• 1.7.0

License

• free

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

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• 🔒
• 🔒

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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