Apache — Cyber Threats, Attacks & Incidents

Overview

Apache is an open-source software foundation that develops widely used projects such as Apache Log4j and Apache StreamPipes, which underpin logging, data streaming, and real-time analytics. Vulnerabilities in these projects can enable privilege escalation, data exposure, and remote control of affected systems, making Apache components a frequent target for cyber threats. Recent incidents highlight how flaws in Apache-based tools can be chained into broader intrusions and data theft campaigns, including attacks on high-profile organizations.

Related Threat Clusters

• FortiWeb WAF Vulnerability Enables Full Admin Control Exploitation

  A critical vulnerability in FortiWeb Web Application Firewall (WAF) has been actively exploited, allowing attackers to gain full administrative access to affected systems. Organizations using FortiWeb are at risk of…

  100 articles · Updated November 15, 2025
• CISA Warns of Critical Exploits in Langflow, Tomcat, and N-central Flaws

  CISA has added critical vulnerabilities in IBM Langflow, Apache Tomcat, and N-able N-central to its Known Exploited Vulnerabilities catalog, with a deadline for federal agencies to patch by August 7, 2026. The Langflow…

  2 articles · Updated August 7, 2026
• FamousSparrow APT Expands Targeting to Azerbaijani Energy Sector

  FamousSparrow, a China-aligned APT group, launched a multi-wave cyberespionage campaign against an Azerbaijani oil and gas company from late December 2025 to February 2026. The attackers employed an evolved DLL…

  10 articles · Updated May 13, 2026
• Critical Apache HTTP Server Vulnerability Poses Remote Code Execution Risk

  The Apache Software Foundation has issued an urgent security update for the Apache HTTP Server to address a severe vulnerability tracked as CVE-2026-23918, published on 2026-05-04. This flaw allows attackers to execute…

  21 articles · Updated May 5, 2026
• Critical RCE Vulnerability in Windchill and FlexPLM Triggers Urgent Alerts

  PTC Inc. has disclosed a critical vulnerability, CVE-2026-4681, in its Windchill and FlexPLM software that allows for remote code execution through the deserialization of trusted data. The vulnerability has been…

  4 articles · Updated March 24, 2026
• Critical XSS and Memory Vulnerabilities in Oracle PHP Releases

  Oracle has released important security updates for PHP versions 7.4 and 8.0, addressing multiple vulnerabilities including critical cross-site scripting (XSS) flaws and memory management issues. The updates fix…

  2 articles · Updated July 6, 2026
• Slackware 15.0 Security Updates Address Critical Vulnerabilities

  Slackware 15.0 released urgent updates for two significant vulnerabilities on June 3, 2026. The first addresses a stack-based buffer overflow in the net-tools package (CVE-2026-154) affecting network interface handling.…

  27 articles · Updated June 3, 2026
• Critical Vulnerabilities Found in Apache HTTP Server Affecting Multiple Modules

  On July 8, 2026, multiple vulnerabilities were disclosed in the Apache HTTP Server, affecting various modules including mod_ldap, mod_proxy_ftp, and mod_proxy_html. These vulnerabilities could lead to denial of service…

  7 articles · Updated July 8, 2026
• Critical Vulnerabilities in Tenable Security Center Prompt Urgent Patch Release

  Tenable has released Security Center Patch SC202607.1 to address multiple vulnerabilities in third-party components, including Apache, OpenSSL, PostgreSQL, PHP, and Redis. The patch resolves critical issues such as SQL…

  2 articles · Updated July 21, 2026
• Ivanti EPMM Zero-Day Vulnerability Exploited in Active Attacks

  Ivanti has disclosed a zero-day vulnerability (CVE-2026-6973) in its Endpoint Manager Mobile (EPMM) product, which has been actively exploited by attackers. This flaw allows authenticated users with administrative…

  24 articles · Updated May 7, 2026

Recent Intelligence Reports

• CDN Tsunami: Critical HTTP/3 to HTTP/1.1 Protocol Translation Vulnerability Triggers Up to ... — Rescana · August 20, 2026
• Fedora 43 Lemonldap-ng Update Advisory CVE-2026 — Linuxsecurity · August 19, 2026
• Fedora 44 lemonldap-ng 2.23.3 Security Update CVE-2026 — Linuxsecurity · August 19, 2026
• Breakglass Intelligence's March 2026 analysis — intel.breakglass.tech · August 12, 2026
• August 2026 Monthly Patch — Csa.Sg · August 12, 2026
• 306 — cwe.mitre.org · August 11, 2026
• 862 — cwe.mitre.org · August 11, 2026
• [SecurityIntel] 06 Aug | CISA Warns of Exploited Langflow and Tomcat Flaws — Buttondown · August 7, 2026

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