Roundcube · Roundcube Webmail
CVE-2021-44026
Roundcube Webmail SQL Injection Vulnerability
Exploited in attacks
Critical 9.8 Attack chance: 70%
What it is
Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search or search_params.
CISA: Roundcube Webmail is vulnerable to SQL injection via search or search_params.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: July 13, 2023
- Added to the CISA list
- June 22, 2023
- Published
- November 19, 2021
- Severity
- Critical 9.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 70% in the top 0.6% of all known vulnerabilities
- Weakness
- CWE-89
- More details
- NVD · CVE.org · CISA
All references (7)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TP3Y5RXTUUOU…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDVGIZMQJ5IO…
- https://www.debian.org/security/2021/dsa-5013
- https://bugs.debian.org/1000156
- https://github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d49002817263f1
- https://github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7296681dcfa
- https://lists.debian.org/debian-lts-announce/2021/12/msg00004.html
More exploited flaws from Roundcube
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Jun 22, 2023 | Webmail Remote Code Execution | Roundcube Webmail | Critical 9.8 | 84% |
| Jun 22, 2023 | Webmail Cross-Site Scripting (XSS) | Roundcube Webmail | Medium 6.1 | 33% |
| Nov 3, 2021 | Webmail File Disclosure | Roundcube Webmail | High 7.8 | 46% |
| Feb 20, 2026 | Deserialization of Untrusted Data | Webmail | Critical 9.9 | 99.7% |
| Feb 20, 2026 | Cross-site Scripting | Webmail | High 7.2 | 27% |
| Jun 9, 2025 | Cross-Site Scripting | Webmail | Critical 9.3 | 83% |
| Oct 24, 2024 | Cross-Site Scripting (XSS) | Webmail | Medium 6.1 | 74% |
| Jun 26, 2024 | Cross-Site Scripting (XSS) | Webmail | Medium 6.3 | 77% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.