CVE-2026-101051

LOW 3.1

Cloudreve before 4.16.1 Path Traversal via Remote Download

CVSS Score

3.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	cloudreve
Product	cloudreve
Published	Sep 27, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

cloudreve / cloudreve

0 < 4.16.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/cloudreve/cloudreve/security/advisories/GHSA-w8j7-39hp-8x59 vulncheck.com: https://www.vulncheck.com/advisories/cloudreve-before-4.16.1-path-traversal-via-remote-download

Credits

🔍 jinhao-huang