CVE-2026-101056
Cloudreve before 4.16.1 Authentication Bypass via Cached Context Hint
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 27, 2026
- Updated
- Oct 8, 2026
- Reserved
- Sep 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
cloudrevecloudreve |
|
References
- GitHub Security Advisory (GHSA-vx2m-jpxr-xv7w)vendor-advisory
- VulnCheck Advisory: Cloudreve before 4.16.1 Authentication Bypass via Cached Context Hintthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.