Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.5 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | CNA (GitLab) |
- CISA KEV Not listed.
- EPSS 0.021, the 81st percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-w6pv-c757-6rgr
- OSV: GHSA-w6pv-c757-6rgr
- nvd.nist.gov/vuln/detail/CVE-2021-39880
- github.com/jetruby/apollo_upload_server-ruby/pull/44
- github.com/jetruby/apollo_upload_server-ruby/commit/b0582c1a3e458eee3c994fb38278bd0221f20486
- hackerone.com/reports/1181284
- github.com/jetruby/apollo_upload_server-ruby
- github.com/jetruby/apollo_upload_server-ruby/releases/tag/2.1.0
- github.com/rubysec/ruby-advisory-db/blob/master/gems/apollo_upload_server/CVE-2021-39880.yml
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39880.json
- gitlab.com/gitlab-org/gitlab/-/issues/330561
- gitlab.com/gitlab-org/gitlab/-/issues/330561#note_642879964
- vuldb.com/?id.183842