Threats Tagged 'cve-2026-4821'
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Threats Tagged 'cve-2026-4821'
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CVE-2026-4821: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in GitHub Enterprise ServerCVE-2026-4821 0 CVE-2026-4821 is a high-severity OS command injection vulnerability in GitHub Enterprise Server that affects versions prior to 3. 21. It allows an authenticated Management Console administrator to execute arbitrary operating system commands via shell metacharacter injection in proxy configuration fields such as http_proxy. Exploitation requires both access to the GitHub Enterprise Server instance and administrator privileges to the Management Console. The vulnerability was fixed in versions 3. 20. 1, 3. 19. 5, 3. 18. Join the discussion | CVE Database V5 | 04/21/2026, 22:12:26 UTC Added: 04/21/2026, 22:31:06 UTC |
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