Description
Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_plugin_api.php.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | roundcube | 1.4.4+dfsg.1-1 | — |
| Debian 13 | roundcube | 1.4.4+dfsg.1-1 | — |
| Debian 12 | roundcube | 1.4.4+dfsg.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | roundcube | 1.5.0+dfsg.1-2ubuntu0.1~esm1 | USN-5182-1 |
| Ubuntu Pro 20.04 LTS | roundcube | 1.4.3+dfsg.1-1ubuntu0.1~esm1 | USN-5182-1 |
| Ubuntu Pro 18.04 LTS | roundcube | 1.3.6+dfsg.1-1ubuntu0.1~esm2 | USN-5182-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | roundcube | 1.2~beta+dfsg.1-0ubuntu1+esm2 | USN-5182-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | roundcubemail | 1.3.15-bp152.4.3.1 | openSUSE-SU-2020:1516-1 |
| SUSE Package Hub 15 SP1 | roundcubemail | 1.3.15-bp152.4.3.1 | openSUSE-SU-2020:1516-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | roundcubemail | 1.3.15-bp152.4.3.1 | openSUSE-SU-2020:1516-1 |
| openSUSE Leap 15.1 | roundcubemail | 1.3.15-bp152.4.3.1 | openSUSE-SU-2020:1516-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
mbadanoiu/CVE-2020-12640 ★ 0 · Apr 13, 2024
CVE-2020-12640: Local PHP File Inclusion via "Plugin Value" in Roundcube Webmail
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- USN-5182-1 roundcube vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- openSUSE-SU-2020:1516-1 Security update for roundcubemail SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.4
- https://github.com/roundcube/roundcubemail/compare/1.4.3...1.4.4
- https://roundcube.net/news/2020/04/29/security-updates-1.4.4-1.3.11-and-1.2.10
- https://github.com/roundcube/roundcubemail/commit/814eadb699e8576ce3a78f21e95bf69a7c7b3794
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-12640-PHP%20Local%20File%20Inclusion-Roundcube
- GLSA-202007-41 vendor-advisory
- openSUSE-SU-2020:1516 vendor-advisory