CVE-2026-101056

MEDIUMCVSS 5.3

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.

Timeline

Published:September 27th, 2026 6:16 PM

Last modified:September 28th, 2026 2:17 PM

CVSS Scoring

CVSS v3: 5.3 (MEDIUM)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-863

References & Reports

Advisories, patches, and third-party reports

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

Source: NIST NVD · Data may lag official sources by up to one minute