SSRF in Cloudreve

CVE-2026-54562

Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, Cloudreve's remote download workflow accepts user-supplied URLs at POST /api/v4/workflow/download and passes them to the configured downloader without blocking…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54562?
CVE-2026-54562 is a medium-severity vulnerability in Cloudreve, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-07-15.
How severe is CVE-2026-54562?
Medium severity. CVSS v3 base score is 6.5 out of 10.