GO-2026-6287 - Cloudreve has Broken Access Control - Revoked Share Access Still Allows Signed File URL Generation via…

Severity: info · Published 2026-08-25

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

Technologies: github.com/cloudreve/Cloudreve (Go), github.com/cloudreve/Cloudreve/v3 (Go), github.com/cloudreve/Cloudreve/v4 (Go). Vendors: Go.

Quick answers

Is This vulnerability exploited in the wild?
No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.
How severe is This vulnerability?
Informational severity, published 25 August 2026.
Which products and versions are affected?
github.com/cloudreve/Cloudreve (Go) SEMVER:introduced=0; github.com/cloudreve/Cloudreve/v3 (Go) SEMVER:introduced=0; github.com/cloudreve/Cloudreve/v4 (Go) SEMVER:introduced=0.
Is there a fix for This vulnerability?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected?
Check whether you run github.com/cloudreve/Cloudreve (Go), github.com/cloudreve/Cloudreve/v3 (Go) or github.com/cloudreve/Cloudreve/v4 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • github.com/cloudreve/Cloudreve (Go) SEMVER:introduced=0
  • github.com/cloudreve/Cloudreve/v3 (Go) SEMVER:introduced=0
  • github.com/cloudreve/Cloudreve/v4 (Go) SEMVER:introduced=0

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