CVE-2026-13540 GitBucket RepositoryCreationService.scala Git.cloneRepository.setURI server-side request forgery
Remote attackers can exploit a server-side request forgery flaw in GitBucket's repository creation service to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-13540?
CVE-2026-13540 is a medium-severity server-side request forgery vulnerability in GitBucket, published on 29 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in GitBucket up to 4.46.1. This affects the function Git.cloneRepository.setURI of the file src/main/scala/gitbucket/core/service/RepositoryCreationService.scala. Performing a manipulation of the argument url results in server-side request forgery. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The patch is named 487a9b980f56aa73b6a044b1e86a92eed5043215. To fix this issue, it is recommended to deploy a patch.
Weakness: CWE-918
Which versions are affected by CVE-2026-13540?
How do I fix CVE-2026-13540?
No fix has been published for CVE-2026-13540 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-13540 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13540 exists.
Sources
Also known as GHSA-29f2-r2fr-hjv6.