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GHSA-q79r-r9xg-r863

MediumCVSS 5 / 10
Published Aug 28, 2026·Last modified Aug 28, 2026
Affected Components(1)
Maven logoorg.graylog2/graylog2-server
7.1.0 – 7.1.4
Description

Impact

A vulnerability was found in Graylog's API endpoint for retrieving system catalog entity titles. Authenticated users could retrieve database fields of supported entities by sending a custom API request. These fields can include e.g. the password hash of a user (but not the password itself), which should not be returned through the API, regardless of the endpoint. Permission checks do still apply, so users can retrieve their own password hash, but not those of other users. The admin user (or any user with an admin role) can retrieve password hashes of all users.

Patches

This issue has been patched in Graylog 7.1.4. In this version, an allow list will be used to check if protected fields are being accessed, refusing those requests. Affected users should upgrade to 7.1.4 or above to remediate the vulnerability.

Workarounds

There is no known workaround. Upgrading to a patched version is recommended.

Credits

Thanks to Evelynkaz for reporting.

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Risk Scores
Base Score
5.0

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 vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information.

Threat Intelligence
4.6

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

EPSS
0.41%

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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