Skip to content
Critical nginx Vulnerability in Ubuntu Affects Multiple Releases

Critical nginx Vulnerability in Ubuntu Affects Multiple Releases

First seen 13 Feb 2026, 08:09 UTC • •

Article Content

Browse articles
ThreatCluster AI
ThreatCluster •March 12, 2026 at 16:10 UTC

A critical security flaw has been identified in nginx affecting Ubuntu 25.10, 24.04 LTS, and 22.04 LTS. The vulnerability allows an attacker to insert plain text data into responses from upstream proxied servers due to improper handling of proxying to upstream TLS servers. Users are advised to apply patches to mitigate the risk.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 201d ago How this analysis works

Timeline

2026-02-04
CVE-2026-1642 published
2026-02-12
Security issue announced affecting multiple Ubuntu releases

More articles in this cluster (2)

Following this threat?

Track Ubuntu and CVE-2026-1642 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed