Splunk has put out security updates for many flaws in Splunk Enterprise, Splunk Cloud Platform, and the Splunk AI Toolkit. These issues could cause denial-of-service (DoS) attacks and expose sensitive information. The flaws revealed on May 20, 2026, have three known weaknesses: CVE-2026-20238, CVE-2026-20239, and CVE-2026-20240. Organizations should quickly apply …

Trend Micro has fixed a security hole in Apex One that was used in attacks on Windows systems. Tracked as CVE-2026-34926, a directory traversal vulnerability in the Apex One (on-premise) server which could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to …

A security flaw dubbed nginx-poolslip has been revealed in NGINX version 1.31.0, the newest stable version of the most used web server software. The discovery, made by security researcher Vega of the NebSec security team, was announced via X (formerly Twitter) on May 21, 2026, sending shockwaves through the global …