Code Injection Vulnerability in Roundcube Webmail by Roundcube
CVE-2026-48844

7.5HIGH

Key Information:

Vendor

Roundcube

Status
Webmail
Vendor
CVE Published:
25 May 2026

What is CVE-2026-48844?

Roundcube Webmail versions prior to 1.6.16 and 1.7.1 are susceptible to a code injection vulnerability stemming from insecure code evaluation in the LDAP autovalues option. This flaw could potentially allow attackers to execute arbitrary code within the web application. Users are strongly advised to upgrade their installations to the latest versions where this insecure functionality has been addressed.

Affected Version(s)

Webmail 1.6.0 < 1.6.16

Webmail 1.7.0 < 1.7.1

References

https://roundcube.net/news/2026/05/24/security-updates-1....
https://github.com/roundcube/roundcubemail/releases/tag/1...
https://github.com/roundcube/roundcubemail/commit/6a777d7...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.