CVE-2021-44026

CRITICALNVD 9.89.8—Trending — 5 sources updated this weekExploited in the wild

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 98.8%
KEV: ⚠ Exploited

Published

November 19, 2021

Last Modified

November 4, 2025

Advisory Details (7)

Auto-updated May 26, 2026

Patch available. Sources: github_commit.

github_commit

commit ee809bde2dca (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit ee809bde2dca — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7296681dcfa

github_commit

commit c8947ecb762d (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit c8947ecb762d — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d49002817263f1

generic Patch Available

#1000156 - roundcube: XSS vulnerability in handling attachment filename extension in MIME type mismatch warnings - Debian Bug report logs

https://bugs.debian.org/1000156

generic

[SECURITY] [DSA 5013-1] roundcube security update

https://www.debian.org/security/2021/dsa-5013

generic

[SECURITY] Fedora 34 Update: roundcubemail-1.4.12-1.fc34 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4/

generic

[SECURITY] Fedora 33 Update: roundcubemail-1.4.12-1.fc33 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDVGIZMQJ5IOM47Y3SAAJRN5VPANKTKO/

generic Patch Available

[SECURITY] [DLA 2840-1] roundcube security update

https://lists.debian.org/debian-lts-announce/2021/12/msg00004.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	roundcube-sqlite3 (1.4.3+dfsg.1-1ubuntu0.1~esm2) @ focal	2026-06-10	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-89SQL Injection

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

UbuntuUSN-5182-1HIGH
Roundcube Webmail vulnerabilities

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-10 07:37 UTCEG score recompute
2026-06-10 07:37 UTCGHSA enrichment
2026-06-10 03:45 UTCEG score recompute
2026-06-10 03:45 UTCVendor advisory
2026-06-10 03:45 UTCGHSA enrichment
2026-06-09 23:55 UTCEG score recompute
2026-06-09 23:55 UTCVendor advisory
2026-06-09 23:55 UTCGHSA enrichment
2026-06-09 20:05 UTCEG score recompute
2026-06-09 20:05 UTCGHSA enrichment
2026-06-09 18:42 UTCCISA KEV update
2026-06-09 17:12 UTCCISA KEV update
2026-06-09 16:13 UTCEG score recompute
2026-06-09 16:13 UTCVendor advisory
2026-06-09 16:13 UTCGHSA enrichment
2026-06-09 12:23 UTCEG score recompute
2026-06-09 12:23 UTCVendor advisory
2026-06-09 12:23 UTCGHSA enrichment
2026-06-09 08:33 UTCEG score recompute
2026-06-09 08:33 UTCVendor advisory

Frequently asked(6)

What is CVE-2021-44026?

CVE-2021-44026 is a critical vulnerability published on November 19, 2021. 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.

When was CVE-2021-44026 disclosed?

CVE-2021-44026 was first published in the National Vulnerability Database on November 19, 2021, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-44026 actively exploited?

Yes. CISA added CVE-2021-44026 to the Known Exploited Vulnerabilities catalog on June 22, 2023, affecting Roundcube Roundcube Webmail. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2021-44026?

CVE-2021-44026 has a CVSS v3 base score of 9.8 (NVD).

Which products are affected by CVE-2021-44026?

CVE-2021-44026 affects Roundcube Roundcube Webmail. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2021-44026?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-44026, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-44026

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CVE-2021-44026

Published

Last Modified

Advisory Details (7)

commit ee809bde2dca (roundcube/roundcubemail)

commit c8947ecb762d (roundcube/roundcubemail)

#1000156 - roundcube: XSS vulnerability in handling attachment filename extension in MIME type mismatch warnings - Debian Bug report logs

[SECURITY] [DSA 5013-1] roundcube security update

[SECURITY] Fedora 34 Update: roundcubemail-1.4.12-1.fc34 - package-announce - Fedora mailing-lists

[SECURITY] Fedora 33 Update: roundcubemail-1.4.12-1.fc33 - package-announce - Fedora mailing-lists

[SECURITY] [DLA 2840-1] roundcube security update

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-44026?

Same vendor

Same CWE

CVE-2021-44026

📅 Published

🔄 Last Modified

📋 Advisory Details (7)

commit ee809bde2dca (roundcube/roundcubemail)

commit c8947ecb762d (roundcube/roundcubemail)

#1000156 - roundcube: XSS vulnerability in handling attachment filename extension in MIME type mismatch warnings - Debian Bug report logs

[SECURITY] [DSA 5013-1] roundcube security update

[SECURITY] Fedora 34 Update: roundcubemail-1.4.12-1.fc34 - package-announce - Fedora mailing-lists

[SECURITY] Fedora 33 Update: roundcubemail-1.4.12-1.fc33 - package-announce - Fedora mailing-lists

[SECURITY] [DLA 2840-1] roundcube security update

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-44026?

🔗 Related CVEs(same vendor + same CWE)

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Published

Last Modified

Advisory Details (7)

Frequently asked(6)

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