All vulnerabilities
CVE-2026-101051GHSA-w8j7-39hp-8x59GO-2026-6289

Cloudreve before 4.16.1 Path Traversal via Remote Download

cloudreve cloudreveGoLibraries & packages
Open in ThreatlineRecord JSON
CVSS
2.3Low
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 28 Sep 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.22%Chance of exploitation activity in the next 30 days, higher than 11% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4.16.1Fixed versionCVE List
Published27 Sep 2026Updated 28 Sep 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

Cloudreve before 4.16.1 fails to properly sanitize file paths returned by remote downloaders, allowing authenticated users to create files outside the selected destination directory. Attackers can exploit path traversal sequences in downloader metadata to write files to unexpected locations within accessible namespaces.

Text from CVE List

Affected versions 3

  • cloudreveaffected: all versions before 4.16.1CVE List
  • cloudreveunaffected: 4.16.1CVE List
  • github.com/cloudreve/Cloudreve/v4, Gofrom first release, through 4.0.0-20260606032813-26b6b1044b02OSV

References 2