CVE-2026-101056Cloudreve before 4.16.1 Authentication Bypass via Cached Context Hint
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-863
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
cloudreve cloudreve cloudreve:cloudreve (from the name) | before 4.16.1; 4.16.1 not affected | CNA record |
References
- https://github.com/cloudreve/cloudreve/security/advisories/GHSA-vx2m-jpxr-xv7wvendor-advisory
- https://www.vulncheck.com/advisories/cloudreve-before-4.16.1-authentication-bypass-via-cached-context-hintthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.