API Input Validation Vulnerability in GitLab Products
CVE-2026-7250

7.5HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
11 June 2026

What is CVE-2026-7250?

GitLab has identified an input validation issue within its CE/EE products, affecting a range of versions. This vulnerability allows unauthenticated attackers to exploit weaknesses in the API request parsing middleware, potentially leading to a denial of service scenario. Users running affected versions should prioritize updating to secure their systems against unmitigated service disruptions.

Affected Version(s)

GitLab 12.10 < 18.10.8

GitLab 18.11 < 18.11.5

GitLab 19.0 < 19.0.2

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/598311
https://hackerone.com/reports/3671995
technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/06/10/patch-releas...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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