CVE-2021-39893
5.3 MEDIUMA potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation
Published: 2021-10-05 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 5.3 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CWE
- CWE-862
Affected products
| Vendor | Product |
|---|---|
| gitlab | gitlab |
Description
A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39893
- [Vendor advisory]https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json
- [Other]https://gitlab.com/gitlab-org/gitlab/-/issues/340076
- [Vendor advisory]https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json
- [Other]https://gitlab.com/gitlab-org/gitlab/-/issues/340076
Related CVEs
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- CVE-2026-9694 — GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.... (2.6 LOW)
- CVE-2026-9204 — GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19... (5.3 MEDIUM)
- CVE-2026-8589 — GitLab has remediated an issue in GitLab EE affecting all versions from 13.1.4 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0... (7.3 HIGH)
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- CVE-2026-6976 — GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.... (3.7 LOW)
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