# CVE-2021-44026: Roundcube Webmail SQL Injection Vulnerability

Source: https://junglewise.ai/threats/cve-2021-44026-roundcube-webmail-sql-injection-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-06-22. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-44026 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-06-22

Roundcube Webmail is vulnerable to SQL injection through the search or search_params parameters. This flaw allows a remote attacker to execute arbitrary SQL commands against the underlying database.

Technologies: [Roundcube Webmail](https://junglewise.ai/threats/technologies/webmail). Vendors: [Roundcube](https://junglewise.ai/threats/vendors/roundcube).

## Quick answers

**Is CVE-2021-44026 exploited in the wild?** Yes. CVE-2021-44026 is known to be exploited in the wild, first recorded on 22 June 2023. Treat it as urgent.

**How severe is CVE-2021-44026?** Critical severity, with a CVSS score of 9.8, published 22 June 2023.

**Which products and versions are affected?** Roundcube Roundcube Webmail before 1.3.17, 1.4.x before 1.4.12.

**Is there a fix for CVE-2021-44026?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2021-44026 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2021-44026?** Check whether you run Roundcube Webmail. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Roundcube Roundcube Webmail before 1.3.17, 1.4.x before 1.4.12

## Timeline

- 2021-11-18: disclosed: Date based on Debian bug report 1000156 referenced in advisory
- 2023-06-22: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-06-22: advisory: NVD publication date

## Related threats

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- [Roundcube Webmail stored XSS in draft restore dialog subject field](https://junglewise.ai/threats/cve-2026-48849-roundcube-webmail-stored-xss-in-draft-restore-dialog-subject)
- [Roundcube Webmail remote image blocking bypass via CSS var()](https://junglewise.ai/threats/cve-2026-48846-roundcube-webmail-remote-image-blocking-bypass-via-css-var)
- [Roundcube Webmail SSRF via insufficient CSS sanitization](https://junglewise.ai/threats/cve-2026-48843-roundcube-webmail-ssrf-via-insufficient-css-sanitization)
- [Roundcube Webmail Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2020-12641-roundcube-webmail-remote-code-execution-vulnerability)