ACTIVELY EXPLOITED
CVE-2017-16651: Roundcube Webmail File Disclosure Vulnerability
| Vendor | Roundcube |
|---|---|
| Product | Roundcube Webmail |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 3 May 2022 |
| Weakness (CWE) | CWE-552 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
Roundcube Webmail contains a file disclosure vulnerability caused by insufficient input validation in conjunction with file-based attachment plugins, which are used by default.
SOURCES
Other Roundcube flaws
- CVE-2025-68461: RoundCube Webmail Cross-site Scripting Vulnerability
- CVE-2025-49113: RoundCube Webmail Deserialization of Untrusted Data Vulnerability
- CVE-2024-42009: RoundCube Webmail Cross-Site Scripting Vulnerability
- CVE-2024-37383: RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability
- CVE-2020-13965: Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.