CVE-2021-39896

3.8 LOW

In all versions of GitLab CE/EE since version 8.0, when an admin uses the impersonate feature twice and stops impersonating, the admin ma...

Published: 2021-10-04 · Last updated: 2026-06-17

Severity and scoring

CVSS: 3.8 LOW
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Affected products

Vendor	Product
gitlab	gitlab

Description

In all versions of GitLab CE/EE since version 8.0, when an admin uses the impersonate feature twice and stops impersonating, the admin may be logged in as the second user they impersonated, which may lead to repudiation issues.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39896
[Vendor advisory]https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39896.json
[Other]https://gitlab.com/gitlab-org/gitlab/-/issues/339362
[Vendor advisory]https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39896.json
[Other]https://gitlab.com/gitlab-org/gitlab/-/issues/339362

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