8.8
CVE-2026-3854
- EPSS 0.34%
- Veröffentlicht 10.03.2026 17:37:34
- Zuletzt bearbeitet 12.03.2026 18:45:25
- Quelle product-cna@github.com
- CVE-Watchlists
- Unerledigt
An improper neutralization of special elements vulnerability was identified in GitHub Enterprise Server that allowed an attacker with push access to a repository to achieve remote code execution on the instance. During a git push operation, user-supplied push option values were not properly sanitized before being included in internal service headers. Because the internal header format used a delimiter character that could also appear in user input, an attacker could inject additional metadata fields through crafted push option values. This vulnerability was reported via the GitHub Bug Bounty program and has been fixed in GitHub Enterprise Server versions 3.14.24, 3.15.19, 3.16.15, 3.17.12, 3.18.6 and 3.19.3.
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Github ≫ Enterprise Server Version < 3.14.24
Github ≫ Enterprise Server Version >= 3.15.0 < 3.15.19
Github ≫ Enterprise Server Version >= 3.16.0 < 3.16.15
Github ≫ Enterprise Server Version >= 3.17.0 < 3.17.12
Github ≫ Enterprise Server Version >= 3.18.0 < 3.18.6
Github ≫ Enterprise Server Version >= 3.19.0 < 3.19.3
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.34% | 0.563 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 8.8 | 2.8 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| product-cna@github.com | 8.7 | 0 | 0 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.