CVE-2026-42356: Apache HTTP Server: limited RCE for some internal redirects to non-CGI files in CGI directories

Overview

Severity

Low (CVSS 3.7)

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-09

Last Updated

2026-10-10

EPSS Score

0.47% (percentile: 38.8%)

Affected Products (1)

Other

• 0-17084

Revision History

• 2026-10-09: Information published.
• 2026-10-10: Information published.