GitBucket up to 4.46.1 RepositoryCreationService.scala Git.cloneRepository.setURI url server-side request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 1.45 |
Summary
A vulnerability was found in GitBucket up to 4.46.1. It has been declared as critical. This impacts the function Git.cloneRepository.setURI of the file src/main/scala/gitbucket/core/service/RepositoryCreationService.scala. Executing a manipulation of the argument url can lead to server-side request forgery.
This vulnerability appears as CVE-2026-13540. The attack may be performed from remote. In addition, an exploit is available.
It is advisable to implement a patch to correct this issue.
Details
A vulnerability has been found in GitBucket up to 4.46.1 and classified as critical. This vulnerability affects the function Git.cloneRepository.setURI of the file src/main/scala/gitbucket/core/service/RepositoryCreationService.scala. The manipulation of the argument url with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability was named CVE-2026-13540. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
Applying the patch 487a9b980f56aa73b6a044b1e86a92eed5043215 is able to eliminate this problem. The bugfix is ready for download at github.com.
Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Server-side request forgeryCWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: 487a9b980f56aa73b6a044b1e86a92eed5043215
Timeline
06/28/2026 Advisory disclosed06/28/2026 VulDB entry created
06/28/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 4044
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2026-13540 (🔒)
GCVE (CVE): GCVE-0-2026-13540
GCVE (VulDB): GCVE-100-374548
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/28/2026 12:11Changes: 06/28/2026 12:11 (60)
Complete: 🔍
Submitter: geochen
Cache ID: 216::103
Submit
Accepted
- Submit #836108: gitbucket 4.46.1 Server-Side Request Forgery (by geochen)
Once again VulDB remains the best source for vulnerability data.
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