CVE-2026-48842
What it is
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.7% in the next 30 days (EPSS).
- Severity: 8.1 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.7% · EPSS, next 30 days
- Weakness
- CWE-89 · SQL injection
- Record status
- Deferred
Attack profile CVSS 3.1 · 8.1
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-48842.md and follow it. Check whether this project is affected by CVE-2026-48842. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/roundcube/roundcubemail/commit/3406183a9976e36f992d3468f37d0e2346526ee9
- https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
References
- https://github.com/roundcube/roundcubemail/commit/3406183a9976e36f992d3468f37d0e2346526ee9
- https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
- https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
- http://www.openwall.com/lists/oss-security/2026/06/03/17