CVE-2025-2615

Insertion of Sensitive Information Into Sent Data in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2, that could have allowed a blocked user to access sensitive information by establishing GraphQL subscriptions through WebSocket connections.

Affected

GitLab

CVSS v3.1 NVD

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 GITLAB

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

EPSS

0.34% chance of exploitation in the next 30 days, 26th percentile

Published

2025-11-15

Updated

2025-11-17

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3049150

Security advisories

• https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released

References

• CVE Record
• NVD entry