NGINX Flaw CVE-2026-42945 Actively Exploited, Threatens Worker Crashes and RCE

A newly discovered NGINX flaw, CVE-2026-42945, is being actively exploited, posing a significant threat of worker crashes and remote code execution (RCE) through specially crafted HTTP requests. This high-severity vulnerability, with a CVSS score of 9.2, has been lurking in NGINX versions since 2008,…

https://osintsights.com/nginx-flaw-cve-2026-42945-actively-exploited-threatens-worker-crashes-and-rce?utm_source=mastodon&utm_medium=social

#Nginx #Cve202642945 #RemoteCodeExecution #HeapBufferOverflow #VulnerabilityExploitation

I don't wanna ruin your Friday, but nginx has a serious CVE with a rating of 9.2, and you should patch or mitigate it asap.

The CVE is an unauthenticated http request that can lead to a deterministic buffer overflow and remote code execution.

https://depthfirst.com/nginx-rift

#nginx #cve_2026_42945 #cve202642945

⚠️ NGINX `rewrite` vulnerability

Using unnamed regex captures (`$1`, `$2`) with `?` in replacement strings plus `rewrite`/`if`/`set` can be triggered **without auth**.

Systems with ASLR disabled are at risk of remote code execution. Patch immediately!

https://my.f5.com/manage/s/article/K000161019

https://nvd.nist.gov/vuln/detail/CVE-2026-42945

#NGINX #CVE202642945 #ZeroDay #InfoSec #RCE #CyberSecurity

NGINX Vulnerability Exposes Servers to DoS, Potential Code Execution

A critical vulnerability, CVE-2026-42945, has been lurking in NGINX's code for 18 years, exposing servers to potential DoS attacks and code execution - and affecting a staggering third of the top-ranked websites. This heap buffer overflow flaw, rated 9.2 in severity, is a wake-up call for NGINX users to take immediate action.

https://osintsights.com/nginx-vulnerability-exposes-servers-to-dos-potential-code-execution?utm_source=mastodon&utm_medium=social

#Cve202642945 #Nginx #WebServer #HeapBufferOverflow #DenialOfService

NGINX Flaw Enables Unauthenticated Remote Code Execution

A critical 18-year-old vulnerability, known as NGINX Rift, has been discovered in NGINX Plus and NGINX Open Source, allowing unauthenticated attackers to remotely execute code with a single crafted HTTP request. This high-severity flaw, rated 9.2 on the CVSS v4 scale, poses a significant threat to vulnerable servers.

https://osintsights.com/nginx-flaw-enables-unauthenticated-remote-code-execution?utm_source=mastodon&utm_medium=social

#Nginx #RemoteCodeExecution #Cve202642945 #UnauthenticatedAttacks #HeapBufferOverflow