Insufficient Verification of Data Authenticity Affecting nginx-filesystem package, versions <2:1.20.1-24.0.1.el9_7.1


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-ORACLE9-NGINXFILESYSTEM-15425869
  • published5 Mar 2026
  • disclosed4 Feb 2026

Introduced: 4 Feb 2026

CVE-2026-1642  (opens in a new tab)
CWE-345  (opens in a new tab)

How to fix?

Upgrade Oracle:9 nginx-filesystem to version 2:1.20.1-24.0.1.el9_7.1 or higher.
This issue was patched in ELSA-2026-5599.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nginx-filesystem package and not the nginx-filesystem package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1