Detections
Analytics

Echo: nginx: security update to 1.26.3-3+deb13u7+e1

high Tenable Self-Hosted Container Security Plugin ID 465524

Description

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

 - A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer
 Security (TLS) servers. An attacker with a man-in-the-middle (MITM) position on the upstream server
 side—along with conditions beyond the attacker's control—may be able to inject plain text data into the
 response from an upstream proxied server. Note: Software versions which have reached End of Technical
 Support (EoTS) are not evaluated. (CVE-2026-1642)

Solution

Update the nginx library and its related packages to version 1.26.3-3+deb13u7+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-1642

Plugin Details

Severity: High

ID: 465524

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2026-1642

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/20/2026

Vulnerability Publication Date: 2/4/2026

Reference Information

CVE: CVE-2026-1642

IAVA: 2026-A-0140, 2026-A-0280-S