CVE-2021-44026 — Roundcube Webmail SQL Injection Vulnerability

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2023-06-22. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2021-11-19T03:47:27.000Z
• Last modified: 2025-10-21T23:25:24.717Z
• Added to CISA KEV: 2023-06-22
• BOD 22-01 due: 2023-07-13

09References

• bugs.debian.org — https://bugs.debian.org/1000156
• github.com — https://github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d490…
• github.com — https://github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• www.debian.org — https://www.debian.org/security/2021/dsa-5013
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2021/12/msg00004.html