CVE-2026-101048
Description
Cloudreve before 4.17.0 registers the administrative node test endpoints (POST /api/v4/admin/node/test and POST /api/v4/admin/node/test/downloader) without requiring the Admin.Write OAuth scope, unlike the node create/update/delete routes. An OAuth client that has been authorized by an administrator with only the Admin.Read scope can therefore submit attacker-controlled node definitions and cause the Cloudreve server to issue outbound requests to arbitrary URLs, enabling blind server-side request forgery, internal service probing, and delivery of signed Cloudreve slave-style requests to attacker-chosen endpoints.
How to fix
- github.com/cloudreve/Cloudreve/v44.0.0-20260626022735-332a9d800205 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/cloudreve/Cloudreve/v4Go | v < 4.0.0-20260626022735-332a9d800205 | 4.0.0-20260626022735-332a9d800205 |
| github.com/cloudreve/Cloudreve/v3Go | v ≤ 3.0.0-20250225100611-da4e44b77af4, No range specified | — |
| github.com/cloudreve/CloudreveGo | No range specified | — |
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