What is CVE-2026-101051?

CVE-2026-101051 is a low-severity vulnerability in Cloudreve, classified under Path Traversal. CVSS score: 3.1/10. Published 2026-09-27.

How severe is CVE-2026-101051?

Low severity. CVSS v3 base score is 3.1 out of 10.

Path Traversal in Cloudreve

CVE-2026-101051

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-09-27 · last modified 2026-09-27.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Cloudreve

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/cloudreve/cloudreve/security/advisories/GHSA-w8j7-39hp-8x59 (vendor-advisory)
www.vulncheck.com/advisories/cloudreve-before-4.16.1-path-traversal-via-remote-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-101051?: CVE-2026-101051 is a low-severity vulnerability in Cloudreve, classified under Path Traversal. CVSS score: 3.1/10. Published 2026-09-27.
How severe is CVE-2026-101051?: Low severity. CVSS v3 base score is 3.1 out of 10.