// #siem
4 articles
Splunk Enterprise CVE-2026-20253 (CVSS 9.8): No-Authentication RCE Exposes SIEM Servers via PostgreSQL Sidecar
A critical remote code execution vulnerability in Splunk Enterprise allows unauthenticated attackers to run arbitrary commands on SIEM servers by targeting an exposed PostgreSQL sidecar service that bypasses all application-level authentication. CVE-2026-20253, rated CVSS 9.8, affects Splunk Enterprise 9.2.x and earlier on both Windows and Linux — a particularly damaging target given SIEM's visibility across the entire security estate.
Windows Domain Controller Security Monitoring: Building an Event Log Detection Baseline
Effective detection of domain controller attacks requires more than collecting logs — it requires specific audit policy configuration, a curated set of detection rules, and a SIEM pipeline with alert response SLAs. This guide covers the complete baseline configuration for DC security monitoring after CVE-2026-41089 highlighted the importance of pre-compromise visibility.
Wazuh SIEM/XDR Platform CVE-2026-30893 — CVSS 9.0 Remote Code Execution in Enterprise SOC Infrastructure
CVE-2026-30893, rated CVSS 9.0, is a remote code execution vulnerability in the Wazuh open-source security platform affecting versions 4.x and later. Wazuh is widely deployed as a SIEM, XDR, and compliance platform in enterprise SOC environments. Compromising the Wazuh manager means compromising your security monitoring backbone — patch to 4.11.2 immediately.
Critical Flaw in CrowdStrike Falcon LogScale and High-Severity Nessus Bug Patched — Security Tooling Vulnerabilities Demand Rapid Response
CrowdStrike has patched a critical SSRF vulnerability in Falcon LogScale, its SIEM and log management platform, while Tenable has addressed a privilege escalation flaw in Nessus. Security tooling vulnerabilities are among the most consequential: a compromised SIEM or vulnerability scanner has privileged visibility across the entire environment it monitors.
Commentary tagged #siem
Your Security Tools Are the Crown Jewels — Attackers Already Know This
A remote code execution vulnerability in Wazuh's SIEM platform is a reminder that security monitoring infrastructure is among the highest-value targets in any enterprise environment. Most security programmes defend it like a server, not like a choke point that controls visibility across the entire estate.
CipherWatch Editorial
Security Intelligence Platform
The Threat Intelligence Report That Nobody Reads
Most organisations have a threat intelligence subscription. Fewer have a threat intelligence programme. The gap between the two is not a budget problem — it is a clarity problem about what intelligence is actually for, and it costs the industry significantly in both money and security posture.
CipherWatch Editorial
Security Intelligence Platform