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CVE-2026-55499

Cloudreve: Broken access control in file event stream leaks activity events for unshared siblings to single-file share recipients PUBLISHED

Description (CNA)

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, a single-file share event-stream subscription resolves the share root to the owner’s parent folder and subscribes to that folder topic, allowing an authenticated share recipient to receive names, paths, rename targets, event types, and hashed identifiers for unshared sibling files and folders. This issue is fixed in version 4.17.0.

Affected (CNA)

Vendor / productVersions
cloudreve / cloudreveaffected < 4.17.0

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.