CVE-2025-9484

MEDIUM severity · CVSS 4.3 · Missing authorization

4.3CVSS MEDIUM

Summary

GitLab has remediated an issue in GitLab EE affecting all versions from 16.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user to have access to other users' email addresses via certain GraphQL queries.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

Confidentiality impactLow

Integrity impactNone

Availability impactNone

Exploit probability (EPSS)0%

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products we track (1)

GitLab

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

NVD record
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/565363
https://hackerone.com/reports/3303810