Echo: nginx: security update to 1.26.3-3+deb13u6nginx-1.30: security update to 1.30.1nginx-1.31: security update to 1.31.0

high Tenable Cloud Security Plugin ID 463295

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2026-42946)

Solution

Update the nginx library and its related packages to version 1.26.3-3+deb13u6 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-42946

Plugin Details

Severity: High

ID: 463295

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.74

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:C

CVSS Score Source: CVE-2026-42946

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 4.8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2026

Vulnerability Publication Date: 5/13/2026

Reference Information

CVE: CVE-2026-42946