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Vulnerabilities

Vulnerability · CVE-2021-44026

Roundcube Webmail SQL Injection Vulnerability

Published Nov 18, 2021 · catalog updated Jun 16, 2026 · Roundcube Roundcube Webmail

Patch now

CVE-2021-44026 is in the CISA known-exploited catalog, due Jul 13, 2023. Confirm Roundcube Roundcube Webmail against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
69.88%
Remediation
Remediation guidance
Affected products
cpe debian/debian linux · cpe fedoraproject/fedora · cpe roundcube/webmail · vendor Roundcube Roundcube Webmail

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe debian/debian linux9.0
  • cpe fedoraproject/fedora33
  • cpe fedoraproject/fedora34
  • cpe roundcube/webmailversion unspecified
  • vendor Roundcube Roundcube Webmailversion unspecified

How to fix CVE-2021-44026

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-44026 is in the CISA known-exploited catalog, due Jul 13, 2023. Confirm Roundcube Roundcube Webmail against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with debian/debian linux 10.0; debian/debian linux 11.0; debian/debian linux 9.0. Apply updates per vendor instructions.

What should an analyst verify?

CWE-89: SQL Injection. EPSS 69.88%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 18, 2021 · Catalog

    Detected

    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.

  2. Jun 22, 2023 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jul 13, 2023 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2021-44026

    Roundcube Webmail is vulnerable to SQL injection via search or search_params.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-44026

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-44026

    30-day exploitation probability 69.9%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2021-44026

    Roundcube Webmail is vulnerable to SQL injection via search or search_params.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.