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GHSA-cph6-524f-3hgr

MediumCVSS 4.3 / 10
Published Nov 13, 2025·Last modified Nov 15, 2025
Affected Components(0)

No affected components available

Description

Summary:

An observable difference in error messaging was found in the Directus REST API. The /items/{collection} API returns different error messages for these two cases:

  1. A user tries to access an existing collection which they are not authorized to access.
  2. A user tries to access a non-existing collection.

The two differing error messages leak the existence of collections to users which are not authorized to access these collections.

Details:

The following response returns an error message, when requesting a collection the user is not authorized to access.

GET /items/no-access
{
  "errors": [
    {
      "message": "You don't have permission to access collection \"no-access\" or it does not exist. Queried in root.",
      "extensions": {
        "reason": "You don't have permission to access collection \"no-access\" or it does not exist. Queried in root.",
        "code": "FORBIDDEN"
      }
    }
  ]
}

The following response returns a different error message when requesting a collection which does not exist.

GET /items/does-not-exist
{
  "errors": [
    {
      "message": "You don't have permission to access this.",
      "extensions": {
        "code": "FORBIDDEN"
      }
    }
  ]
}

Impact:

The difference in errors between non-existent collections and collections blocked by permissions leak the existence of a collection to a user which is not authorized to access this object.

Credit:

Sebastian Krause - Hackmanit GmbH

Risk Scores
Base Score
4.3

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information.

Threat Intelligence
4.0

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.33%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Medium severity
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