CVE-2026-75010
Medium
Description
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the modoboa driver of the password plugin could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This issue only affects Roundcube instances using the password plugin with its modoboa driver.
SeverityMedium
CVSS6.4
Exploit probability21. percentile0.3%
Product
Roundcube Webmail
PublishedAug 17, 2026
First seenAug 17, 2026
Weakness typeCWE-669CWE-669
How to fix
Update
- roundcube webmail1.6.18, 1.7.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| roundcube webmail | 1.6.0 ≤ v < 1.6.18, 1.7.0 ≤ v < 1.7.3 | 1.6.18, 1.7.3 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.