CVE-2026-42946

HighCVSS 7.4/10Last modified Oct 26, 2026

Description

A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result in excessive memory allocation or an over-read of data. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to read the memory of the NGINX worker process or restart it. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-789 CWE-823

Affected software

No affected versions have been published.

Timeline

Published: May 13, 2026
Last modified: Oct 26, 2026
NVD status: Analyzed

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