CVE-2021-39880
6.5 MEDIUMA Denial Of Service vulnerability in the apollo_upload_server Ruby gem in GitLab CE/EE all versions starting from 11.9 before 14.0.9, all...
Published: 2021-10-05 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 6.5 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product |
|---|---|
| gitlab | gitlab |
Description
A Denial Of Service vulnerability in the apollo_upload_server Ruby gem in GitLab CE/EE all versions starting from 11.9 before 14.0.9, all versions starting from 14.1 before 14.1.4, and all versions starting from 14.2 before 14.2.2 allows an attacker to deny access to all users via specially crafted requests to the apollo_upload_server middleware.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39880
- [Vendor advisory]https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39880.json
- [Other]https://gitlab.com/gitlab-org/gitlab/-/issues/330561
- [Other]https://hackerone.com/reports/1181284
- [Vendor advisory]https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39880.json
- [Other]https://gitlab.com/gitlab-org/gitlab/-/issues/330561
- [Other]https://hackerone.com/reports/1181284
Related CVEs
Same vendor
- 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)
- CVE-2026-7250 — GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19... (7.5 HIGH)
- 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)