CVE-2025-3601

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 8.15 before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that could have could have allowed an authenticated user to cause a Denial of Service (DoS) condition by submitting URLs that generate excessively large responses.

Remediation

Solution:

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

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/536034 issue tracking permissions required
https://hackerone.com/reports/3050155 exploit technical description permissions required

Frequently Asked Questions

What is the severity of CVE-2025-3601?
CVE-2025-3601 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3601?
To fix CVE-2025-3601: Upgrade to versions 18.1.5, 18.2.5, 18.3.1 or above.
Is CVE-2025-3601 being actively exploited in the wild?
It is possible that CVE-2025-3601 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-2025-3601?
CVE-2025-3601 affects GitLab GitLab.
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