Denial of Service Vulnerability in GitLab CE/EE
CVE-2025-1677

6.5MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
10 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A Denial of Service (DoS) vulnerability has been identified in GitLab CE/EE versions up to 17.8.7, 17.9 versions prior to 17.9.6, and 17.10 versions prior to 17.10.4. This vulnerability allows attackers to deploy oversized payloads within CI pipeline exports, potentially leading to service disruption. Exploiting this flaw can hinder the functionality of GitLab, affecting continuous integration processes. Users are advised to update their installations immediately to mitigate this risk.

Affected Version(s)

GitLab 0 < 17.8.7

GitLab 17.9 < 17.9.6

GitLab 17.10 < 17.10.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-1677 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/521117
issue-trackingpermissions-required
https://hackerone.com/reports/3004008
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [pwnie](https://hackerone.com/pwnie) for reporting this vulnerability through our HackerOne bug bounty program
.