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

Source: https://junglewise.ai/threats/go-2026-6287-cloudreve-has-broken-access-control-revoked-share-access-7b70315e  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-25  
License: CC BY 4.0 with a link back

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)](https://junglewise.ai/threats/technologies/github-com-cloudreve-cloudreve), [github.com/cloudreve/Cloudreve/v3 (Go)](https://junglewise.ai/threats/technologies/github-com-cloudreve-cloudreve-v3), [github.com/cloudreve/Cloudreve/v4 (Go)](https://junglewise.ai/threats/technologies/github-com-cloudreve-cloudreve-v4). Vendors: [Go](https://junglewise.ai/threats/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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