8.1
CVE-2026-4821
- EPSS 0.04%
- Veröffentlicht 21.04.2026 22:12:26
- Zuletzt bearbeitet 29.04.2026 12:36:27
- Quelle product-cna@github.com
- CVE-Watchlists
- Unerledigt
Proxy configuration command injection vulnerability found in GitHub Enterprise Server Management Console configuration API
An improper neutralization of special elements vulnerability was identified in GitHub Enterprise Server that allowed an authenticated Management Console administrator to execute arbitrary OS commands via shell metacharacter injection in proxy configuration fields such as http_proxy. Exploitation of this vulnerability required access to the GitHub Enterprise Server instance and administrator privileges to the Management Console. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.21 and was fixed in versions 3.20.1, 3.19.5, 3.18.8, 3.17.14, 3.16.17, 3.15.21, 3.14.26. This vulnerability was reported via the GitHub Bug Bounty program.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Github ≫ Enterprise Server Version < 3.14.26
Github ≫ Enterprise Server Version >= 3.15.0 < 3.15.21
Github ≫ Enterprise Server Version >= 3.16.0 < 3.16.17
Github ≫ Enterprise Server Version >= 3.17.0 < 3.17.14
Github ≫ Enterprise Server Version >= 3.18.0 < 3.18.8
Github ≫ Enterprise Server Version >= 3.19.0 < 3.19.5
Github ≫ Enterprise Server Version3.20.0
VulnDex Vulnerability Enrichment
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Login
Login| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.04% | 0.109 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.2 | 1.2 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
|
| product-cna@github.com | 8.1 | 0 | 0 |
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
|
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.