Description
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Roundcube | Webmail | < 1.5.13, 1.6.0 – < 1.6.13 | 1.5.13 |
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 | 1.6.13+dfsg-1 | — |
| Debian 13 | roundcube | 1.6.13+dfsg-0+deb13u1 | DSA-6137-1 |
| Debian 12 | roundcube | 1.6.5+dfsg-1+deb12u7 | DSA-6137-1 |
| Debian 11 | roundcube | 1.4.15+dfsg.1-1+deb11u7 | DLA-4480-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | roundcube | No fix yet | — |
| Ubuntu 25.10 | roundcube | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 26.04 LTS | roundcube | No fix yet | — |
| Ubuntu Pro 24.04 LTS | roundcube | 1.6.6+dfsg-2ubuntu0.1+esm3 | — |
| Ubuntu Pro 22.04 LTS | roundcube | 1.5.0+dfsg.1-2ubuntu0.1~esm6 | — |
| Ubuntu Pro 20.04 LTS | roundcube | 1.4.3+dfsg.1-1ubuntu0.1~esm8 | — |
| Ubuntu Pro 18.04 LTS | roundcube | 1.3.6+dfsg.1-1ubuntu0.1~esm8 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | roundcubemail | 1.6.13-bp160.1.1 | openSUSE-SU-2026:20323-1 |
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
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 4
- WID-SEC-2026-0357 Roundcube: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 29, 2026
- openSUSE-SU-2026:20323-1 Security update for roundcubemail SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-4480-1 roundcube - security update Debian Security (DSA / DLA) · Feb 17, 2026
- DSA-6137-1 roundcube - security update Debian Security (DSA / DLA) · Feb 17, 2026