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.
Advisories
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Fixes
Solution
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Workaround
No workaround given by the vendor.
References
History
Sun, 27 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Cloudreve before 4.16.1 Authentication Bypass via Cached Context Hint | |
| First Time appeared |
Cloudreve
Cloudreve cloudreve |
|
| Weaknesses | CWE-863 | |
| CPEs | cpe:2.3:a:cloudreve:cloudreve:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Cloudreve
Cloudreve cloudreve |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-27T17:02:38.060Z
Reserved: 2026-09-27T16:38:56.427Z
Link: CVE-2026-101056
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OpenCVE Enrichment
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Weaknesses