CVE-2026-48844 Code injection in Webmail
Attackers can execute arbitrary code via insecure LDAP autovalues evaluation in Roundcube Webmail when this feature is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-48844?
CVE-2026-48844 is a high-severity code injection vulnerability in Roundcube Webmail, published on 25 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.)
Weakness: CWE-670
Which versions are affected by CVE-2026-48844?
How do I fix CVE-2026-48844?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-48844 being exploited?
There is no known exploitation of CVE-2026-48844 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-48844, GHSA-qhxr-pc4x-jrq3, UBUNTU-CVE-2026-48844.