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Experts warn of active exploitation of critical NGINX flaw CVE-2026

Security Affairsby @securityaffairs ()2 min read4 · 3 reads
Analyze CVE-2026-42945 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-42945
Heap Buffer Overflow in NGINX Plus & Open Source rewrite module — DoS, potential RCE
9.268%PoC ×6

From the original article

2 min read at securityaffairs.com

A critical NGINX flaw (CVE-2026-42945) is actively exploited, allowing crashes or possible code execution via malicious HTTP requests. A critical vulnerability in NGINX Plus and NGINX Open, tracked as CVE-2026-42945 (CVSS v4 score of 9. 2), is already being actively exploited shortly after disclosure.

Security Affairs

By @securityaffairs · securityaffairs.com

Read the full article at Security Affairs

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.