CVE-2021-39942

6.5 mediumEPSS 1.4%

Medium (6.5) in gitlab gitlab. EPSS 1.4% chance of exploitation in the next 30 days.

A denial of service vulnerability in GitLab CE/EE affecting all versions starting from 12.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows low-privileged users to bypass file size limits in the NPM package repository to potentially cause denial of service.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-11-01)
CWE: CWE-400
Published: 2022-01-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39942.json
https://gitlab.com/gitlab-org/gitlab/-/issues/297492
https://hackerone.com/reports/1071861
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39942.json
https://gitlab.com/gitlab-org/gitlab/-/issues/297492

Check your stack JSON