CVE-2026-101056

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/cloudreve/cloudreve/security/advisories/GHSA-vx2m-jpxr-xv7w
https://www.vulncheck.com/advisories/cloudreve-before-4.16.1-authentication-bypass-via-cached-context-hint

Configurations

No configuration.

History

27 Sep 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-27 18:16

Updated : 2026-10-08 16:17

NVD link : CVE-2026-101056

Mitre link : CVE-2026-101056

CVE.ORG link : CVE-2026-101056

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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