Description
Cloudreve is a self-hosted file management and sharing system. From 4.12.0 until 4.16.1, Cloudreve's OAuth access tokens are issued without the OAuth client_id claim, so the JWT verifier does not load token scopes into request context and RequiredScopes treats the request like non-scoped session authentication, allowing a low-scope OAuth access token to call APIs requiring higher scopes such as file, share, workflow, user setting, WebDAV account, and potentially admin scopes. This issue is fixed in version 4.16.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| cloudreve | cloudreve | >= 4.12.0, < 4.16.1 | — |
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.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/cloudreve/Cloudreve | all versions | — | GO-2026-6022 |
| Go | github.com/cloudreve/Cloudreve/v3 | all versions | — | GO-2026-6022 |
| Go | github.com/cloudreve/Cloudreve/v4 | >= 4.0.0-20260114075425-bc6845bd742c, < 4.0.0-20260606015557-ed20843dc3df | 4.0.0-20260606015557-ed20843dc3df | GHSA-vgj4-345g-jcf8 |
Advisories 1
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026