Cloudreve WebDAV (`/dav`) has Path Traversal / Broken Access Control — scoped DAV credential escapes its configured a...

Date Aug 26, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go · github.com/cloudreve/Cloudreve/v4
CVE CVE-2026-54563
High-risk advisory CVE-2026-54563

Summary

Cloudreve WebDAV (`/dav`) has Path Traversal / Broken Access Control — scoped DAV credential escapes its configured account root

Why it matters

GitHub has published a reviewed security advisory for github.com/cloudreve/Cloudreve/v4. Prioritize it with other application dependency updates, especially because EPSS places it in the 24% percentile.

Operator check

Check whether github.com/cloudreve/Cloudreve/v4 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 24%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.