CVE-2025-4225

Public Exploit
Allocation of Resources Without Limits or Throttling in GitLab

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 14.1 before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that that under certain conditions could have allowed an unauthenticated attacker to cause a denial-of-service condition affecting all users by sending specially crafted GraphQL requests.

Remediation

Solution:

  • Upgrade to versions 18.1.5, 18.2.5, 18.3.1 or above.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/538983 issue tracking permissions required
https://hackerone.com/reports/3100624 exploit technical description permissions required

Frequently Asked Questions

What is the severity of CVE-2025-4225?
CVE-2025-4225 has been scored as a medium severity vulnerability.
How to fix CVE-2025-4225?
To fix CVE-2025-4225: Upgrade to versions 18.1.5, 18.2.5, 18.3.1 or above.
Is CVE-2025-4225 being actively exploited in the wild?
It is possible that CVE-2025-4225 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-4225?
CVE-2025-4225 affects GitLab GitLab.
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