CVE-2026-13540
Performing a manipulation of the argument url results in server-side request forgery.
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.37% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Source
- cna@vuldb.com
References
- https://github.com/gitbucket/gitbucket/
- https://github.com/gitbucket/gitbucket/commit/487a9b980f56aa73b6a044b1e86a92eed5043215
- https://github.com/gitbucket/gitbucket/issues/4044
- https://github.com/gitbucket/gitbucket/pull/4056
- https://vuldb.com/cve/CVE-2026-13540
- https://vuldb.com/submit/836108
- https://vuldb.com/vuln/374548
- https://vuldb.com/vuln/374548/cti
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.