CVE-2021-44026

Name: CVE-2021-44026
Creator: NVD / NIST
Published: 2021-11-19T04:15:07.197+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 42.91%

Last modified Jun 17, 2026

CVE-2021-44026 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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 has confirmed active exploitation in the wild. EPSS estimates a 42.91% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

42.91%

98.6th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jul 13, 2023.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Roundcube	Webmail	< 1.3.17
Roundcube	Webmail	>= 1.4.0, < 1.4.12
Fedoraproject	Fedora	33
Fedoraproject	Fedora	34
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

https://bugs.debian.org/1000156Mailing List, Patch
https://github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d49002817263f1Patch
https://github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7296681dcfaPatch
https://lists.debian.org/debian-lts-announce/2021/12/msg00004.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDVGIZMQJ5IOM47Y3SAAJRN5VPANKTKO/Mailing List, Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4/Mailing List, Release Notes
https://www.debian.org/security/2021/dsa-5013Third Party Advisory
https://bugs.debian.org/1000156Mailing List, Patch
https://github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d49002817263f1Patch
https://github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7296681dcfaPatch
https://lists.debian.org/debian-lts-announce/2021/12/msg00004.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDVGIZMQJ5IOM47Y3SAAJRN5VPANKTKO/Mailing List, Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4/Mailing List, Release Notes
https://www.debian.org/security/2021/dsa-5013Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44026US Government Resource

Timeline

Published: Nov 19, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-44026?

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.

How severe is CVE-2021-44026?

CVE-2021-44026 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 42.91% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2021-44026?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44026?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST