Description
Cobbler version Verified as present in Cobbler versions 2.6.11+, but code inspection suggests at least 2.0.0+ or possibly even older versions may be vulnerable contains a Cross Site Scripting (XSS) vulnerability in cobbler-web that can result in Privilege escalation to admin.. This attack appear to be exploitable via "network connectivity". Sending unauthenticated JavaScript payload to the Cobbler XMLRPC API (/cobbler_api).
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | cobbler | 2.4.1-0ubuntu2+esm1 | USN-6475-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | cobbler | 3.1.2-bp152.4.3.1 | openSUSE-SU-2021:0058-1 |
| SUSE OpenStack Cloud 8 | cobbler | 2.6.6-49.14.1 | SUSE-SU-2018:2561-1 |
| SUSE Manager Server 3.2 | cobbler | 2.6.6-6.7.1 | SUSE-SU-2018:2551-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Manager Server 3.1 | cobbler | 2.6.6-5.17.1 | SUSE-SU-2018:2608-1 |
| SUSE Manager Server 3.1 | release-notes-susemanager | 3.1.8-5.38.1 | SUSE-RU-2018:2639-1 |
| SUSE Manager Server 3.0 | cobbler | 2.6.6-49.14.1 | SUSE-SU-2018:2561-1 |
| SUSE Manager Proxy 3.1 | release-notes-susemanager-proxy | 3.1.8-0.15.29.1 | SUSE-RU-2018:2639-1 |
| SUSE Manager Client Tools 12 | cobbler | 2.6.6-49.14.1 | SUSE-SU-2018:2561-1 |
| SUSE HPE Helion OpenStack 8 | cobbler | 2.6.6-49.14.1 | SUSE-SU-2018:2561-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | cobbler | 3.2.1.336+git.5639a3af-1.1 | openSUSE-SU-2024:10690-1 |
| openSUSE Leap 15.2 | cobbler | 3.1.2-lp152.6.3.1 | openSUSE-SU-2021:0046-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | cobbler | <= 2.6.11 | — | GHSA-q9g5-98pm-w6q7 |
Advisories 9
- USN-6475-1 cobbler vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2018:2561-1 Security update for cobbler SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-RU-2018:2639-1 Recommended update for SUSE Manager 3.1 Release Notes SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0058-1 Security update for cobbler SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2551-1 Security update for cobbler SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0046-1 Security update for cobbler SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2608-1 Security update for cobbler SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10690-1 cobbler-3.2.1.336+git.5639a3af-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2928 Cobbler: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 14, 2023