Medium severity5.3NVD Advisory· Published Sep 27, 2026· Updated Sep 27, 2026

CVE-2026-101056

Description

Cloudreve before 4.16.1 fails to revalidate share access when restoring cached navigator state from a context_hint UUID. Attackers who previously had valid share access can replay the cached hint to generate signed file URLs for up to 300 seconds after the share is deleted, expires, or reaches zero remaining downloads.

Affected products

Cloudreve/Cloudrevellm-fuzzy
Range: <4.16.1

Patches

Vulnerability mechanics

References

github.com/cloudreve/cloudreve/security/advisories/GHSA-vx2m-jpxr-xv7wnvd
www.vulncheck.com/advisories/cloudreve-before-4.16.1-authentication-bypass-via-cached-context-hintnvd

News mentions

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000