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Cloudreve before 4.16.1 Authentication Bypass via Cached Context Hint

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

11 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

9 Nov 2026 04:15:48 UTC

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 s…

euvd · EUVD-2026-87981 · Published

7 Nov 2026 03:37:19 UTC

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 s…

euvd · EUVD-2026-87981 · Published

5 Nov 2026 03:05:11 UTC

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 s…

euvd · EUVD-2026-87981 · Published

3 Nov 2026 02:16:17 UTC

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 s…

euvd · EUVD-2026-87981 · Published

1 Nov 2026 01:21:27 UTC

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 s…

euvd · EUVD-2026-87981 · Published

30 Oct 2026 01:06:27 UTC

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 s…

euvd · EUVD-2026-87981 · Published

28 Oct 2026 00:00:52 UTC

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 s…

euvd · EUVD-2026-87981 · Published

25 Oct 2026 04:17:26 UTC

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 s…

nvd · CVE-2026-101056 · Published

24 Oct 2026 13:19:41 UTC

Cloudreve has Broken Access Control - Revoked Share Access Still Allows Signed File URL Generation via Cached context_hint

osv · GHSA-vx2m-jpxr-xv7w · Published

24 Oct 2026 13:19:41 UTC

Cloudreve has Broken Access Control - Revoked Share Access Still Allows Signed File URL Generation via Cached context_hint in github.com/cloudreve/Cloudreve

osv · GO-2026-6287 · Published

23 Oct 2026 15:48:27 UTC

Cloudreve before 4.16.1 Authentication Bypass via Cached Context Hint

cve-program · CVE-2026-101056 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 10 Nov 18:30 UTC · 261 of 275 readable · 260 fully read · documentation 469/469 current