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...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-44026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-89
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2021-44026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
EUVDEUVD-2021-30885
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.
- Record
EUVD-2021-30885- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5fmq-jmc8-85rw
9.8
Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search...
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.
- Record
GHSA-5fmq-jmc8-85rw- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
CISA KEV No score
Roundcube Webmail SQL Injection Vulnerability
Roundcube Webmail is vulnerable to SQL injection via search or search_params.
- Record
CVE-2021-44026- Weakness
- CWE-89
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-44026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 5 moreShow less
OSVDEBIAN-CVE-2021-44026
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.
- Record
DEBIAN-CVE-2021-44026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-44026
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.
- Record
UBUNTU-CVE-2021-44026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVBIT-roundcube-2021-44026 No score
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.
- Record
BIT-roundcube-2021-44026- Updated
- 2026-11-02
OSVMGASA-2022-0039 No score
Updated roundcubemail packages fix security vulnerability
XSS in handling an attachment's filename extension when displaying a MIME type warning message (CVE-2021-44025). Potential SQL injection via search or search_params (CVE-2021-44026).
- Record
MGASA-2022-0039- Updated
- 2026-11-02
OSVUSN-5182-1 No score
roundcube vulnerabilities
It was discovered that Roundcube Webmail allowed JavaScript code to be present in the CDATA of an HTML message. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12625)
It was discovered that Roundcube Webmail incorrectly processed login and logout POST requests. An attacker could possibly use this issue to launch a cross-site request forgery (CSRF) attack and force an authenticated user to be logged out. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12626)
It was discovered that Roundcube Webmail incorrectly processed new plugin names in rcube_plugin_api.php. An attacker could possibly use this issue to obtain sensitive information from local files or to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12640)
It was discovered that Roundcube Webmail did not sanitize shell metacharacters recovered from variables in its configuration settings. An attacker could possibly use this issue to execute arbitrary code in the server. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12641)
It was discovered that Roundcube Webmail incorrectly sanitized characters in the username template object. An attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-13964)
It was discovered that Roundcube Webmail allowed preview of text/html content. A remote attacker could possibly use this issue to send a malicious XML attachment via an email message and execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-13965)
Andrea Cardaci discovered that Roundcube Webmail did not properly sanitize HTML special characters when dealing with HTML messages that contained an SVG element in the XML namespace. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-15562)
Lukasz Pilorz discovered that Roundcube Webmail did not properly sanitize HTML special characters when dealing with HTML messages that contained SVG documents. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-16145)
Alex Birnberg discovered that Roundcube Webmail incorrectly sanitized characters in plain text e-mail messages that included link reference elements. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-35730)
It was discovered that Roundcube Webmail did not properly sanitize HTML special characters in warning messages that contained an attachment's filename extension. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-44025)
It was discovered that Roundcube Webmail incorrectly managed session variables related to search functionalities. A remote attacker could possibly use this issue to execute a SQL injection attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-44026)
It was discovered that Roundcube Webmail did not properly sanitize HTML special characters when dealing with HTML messages that contained CSS content. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 18.04 ESM, Ubuntu 20.04 ESM and Ubuntu 22.04 ESM. (CVE-2021-46144)
- Record
USN-5182-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
roundcubeBitnami |
before 1.3.17, 1.4.0 up to 1.4.12 | 1.3.171.4.12 |
roundcubeDebian:12 |
before 1.5.0+dfsg.1-1 | 1.5.0+dfsg.1-1 |
roundcubeDebian:13 |
before 1.5.0+dfsg.1-1 | 1.5.0+dfsg.1-1 |
roundcubeDebian:14 |
before 1.5.0+dfsg.1-1 | 1.5.0+dfsg.1-1 |
roundcubeDebian:9 From an advisory covering 2 CVEs |
before 1.2.3+dfsg.1-4+deb9u9, plus listed versions 1.2.3+dfsg.1-41.2.3+dfsg.1-4+deb9u11.2.3+dfsg.1-4+deb9u21.2.3+dfsg.1-4+deb9u31.2.3+dfsg.1-4+deb9u4 Show 4 moreShow less1.2.3+dfsg.1-4+deb9u51.2.3+dfsg.1-4+deb9u61.2.3+dfsg.1-4+deb9u71.2.3+dfsg.1-4+deb9u8 |
1.2.3+dfsg.1-4+deb9u9 |
roundcubeDebian:10 From an advisory covering 2 CVEs |
before 1.3.17+dfsg.1-1~deb10u1, plus listed versions 1.3.10+dfsg.1-11.3.10+dfsg.1-1~deb10u11.3.11+dfsg.1-1~deb10u11.3.13+dfsg.1-1~deb10u11.3.14+dfsg.1-1~deb10u11.3.15+dfsg.1-1~deb10u11.3.16+dfsg.1-1~deb10u11.3.8+dfsg.1-2 |
1.3.17+dfsg.1-1~deb10u1 |
roundcubeDebian:11 From an advisory covering 2 CVEs |
before 1.4.12+dfsg.1-1~deb11u1, plus listed versions 1.4.11+dfsg.1-41.4.12+dfsg.1-1~bpo10+1 |
1.4.12+dfsg.1-1~deb11u1 |
roundcubemailMageia:8 From an advisory covering 2 CVEs |
before 1.5.2-1.mga8 | 1.5.2-1.mga8 |
roundcubeUbuntu:Pro:16.04:LTS |
before 1.2~beta+dfsg.1-0ubuntu1+esm2, plus listed versions 1.1.1+dfsg.1-21.1.2+dfsg.1-51.1.3+dfsg.1-11.1.4+dfsg.1-11.2~beta+dfsg.1-0ubuntu11.2~beta+dfsg.1-0ubuntu1+esm1 |
1.2~beta+dfsg.1-0ubuntu1+esm2 |
roundcubeUbuntu:Pro:18.04:LTS |
before 1.3.6+dfsg.1-1ubuntu0.1~esm2, plus listed versions 1.3.0+dfsg.1-11.3.1+dfsg.1-11.3.3+dfsg.1-11.3.3+dfsg.1-21.3.6+dfsg.1-11.3.6+dfsg.1-1ubuntu0.1~esm1 |
1.3.6+dfsg.1-1ubuntu0.1~esm2 |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
roundcubeUbuntu:Pro:20.04:LTS |
before 1.4.3+dfsg.1-1ubuntu0.1~esm2, plus listed versions 1.3.8+dfsg.1-21.3.10+dfsg.1-11.4.1+dfsg.1-21.4.2+dfsg.1-11.4.2+dfsg.1-21.4.3+dfsg.1-11.4.3+dfsg.1-1ubuntu0.1~esm1 |
1.4.3+dfsg.1-1ubuntu0.1~esm2 |
roundcubeUbuntu:Pro:16.04:LTS From an advisory covering 12 CVEs |
before 1.2~beta+dfsg.1-0ubuntu1+esm2, plus listed versions 1.1.1+dfsg.1-21.1.2+dfsg.1-51.1.3+dfsg.1-11.1.4+dfsg.1-11.2~beta+dfsg.1-0ubuntu11.2~beta+dfsg.1-0ubuntu1+esm1 |
1.2~beta+dfsg.1-0ubuntu1+esm2 |
roundcubeUbuntu:Pro:18.04:LTS From an advisory covering 12 CVEs |
before 1.3.6+dfsg.1-1ubuntu0.1~esm2, plus listed versions 1.3.0+dfsg.1-11.3.1+dfsg.1-11.3.3+dfsg.1-11.3.3+dfsg.1-21.3.6+dfsg.1-11.3.6+dfsg.1-1ubuntu0.1~esm1 |
1.3.6+dfsg.1-1ubuntu0.1~esm2 |
roundcubeUbuntu:Pro:20.04:LTS From an advisory covering 12 CVEs |
before 1.4.3+dfsg.1-1ubuntu0.1~esm2, plus listed versions 1.3.8+dfsg.1-21.3.10+dfsg.1-11.4.1+dfsg.1-21.4.2+dfsg.1-11.4.2+dfsg.1-21.4.3+dfsg.1-11.4.3+dfsg.1-1ubuntu0.1~esm1 |
1.4.3+dfsg.1-1ubuntu0.1~esm2 |
roundcubeUbuntu:Pro:22.04:LTS From an advisory covering 12 CVEs |
before 1.5.0+dfsg.1-2ubuntu0.1~esm1, plus listed versions 1.4.11+dfsg.1-41.5.0+dfsg.1-2 |
1.5.0+dfsg.1-2ubuntu0.1~esm1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | shanglyu/roundcube-cve-2021-44026 | 2025-04-02 |
| PoC in GitHub | skyllpro/CVE-2021-44026-PoC | 2025-04-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44026 is a critical vulnerability (CVSS 9.8) in Debian Linux, published November 19, 2021. CISA lists it as known to be exploited, since June 22, 2023. EUVD reports exploitation since June 22, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 69.9%, the 99th percentile. Fixed in roundcube 1.3.17.
References
bugs.debian.org/1000156
github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d49002817263f1
github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7296681dcfa
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDVGIZMQJ5IOM47Y3SAAJRN5VPANKTKO
debian.org/security/2021/dsa-5013
Show 26 moreShow less
lists.debian.org/debian-lts-announce/2021/12/msg00004.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44026
nvd.nist.gov/vuln/detail/CVE-2021-44026
lists.fedoraproject.org/archives/list/[email protected]/message/NDVGIZMQJ5IOM47Y3SAAJRN5VPANKTKO
lists.fedoraproject.org/archives/list/[email protected]/message/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4
github.com/advisories/GHSA-5fmq-jmc8-85rw
security-tracker.debian.org/tracker/CVE-2021-44026
advisories.mageia.org/MGASA-2022-0039.html
bugs.mageia.org/show_bug.cgi?id=29695
lists.fedoraproject.org/archives/list/[email protected]/thread/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4
lists.fedoraproject.org/archives/list/[email protected]/thread/TPIGI7LQQIBILELWRDTJL5ZU3EZBYSYM
ubuntu.com/security/CVE-2021-44026
ubuntu.com/security/notices/USN-5182-1
cve.org/CVERecord?id=CVE-2021-44026
cisa.gov/known-exploited-vulnerabilities-catalog
ubuntu.com/security/CVE-2020-12625
ubuntu.com/security/CVE-2020-12626
ubuntu.com/security/CVE-2020-12640
ubuntu.com/security/CVE-2020-12641
ubuntu.com/security/CVE-2020-13964
ubuntu.com/security/CVE-2020-13965
ubuntu.com/security/CVE-2020-15562
ubuntu.com/security/CVE-2020-16145
ubuntu.com/security/CVE-2020-35730
ubuntu.com/security/CVE-2021-44025
ubuntu.com/security/CVE-2021-46144