Allocation of Resources Without Limits or Throttling in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-1662
Published: February 26, 2026
Vulnerability identifier: #VU123282
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-1662
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to allocation of resources without limits or throttling in Jira events endpoint. A remote attacker can pass specially crafted input to the application and cause a denial of service condition on the target system.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2026-1662
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 18.7.5, 18.8.5, 18.9.1
Gitlab Community Edition - addressed in versions 18.7.5, 18.8.5, 18.9.1
Gitlab Community Edition - addressed in versions 18.7.5, 18.8.5, 18.9.1