IBM

Recon in Bug Bounty: Spotting Anomalies Instead of Chasing Known Vulnerability Patterns

The article explains that effective reconnaissance in Bug Bounty programs goes far beyond automated subdomain enumeration with tools like subfinder or httpx. It emphasizes building a mental model of the target application by analyzing policy documents, infrastructure changes via Censys and Shodan, and identifying behavioral anomalies rather than matching textbook vulnerability patterns. A detailed case study describes how a hidden legacy endpoint on ibm.com was discovered during passive and active reconnaissance, leading to the identification of a time-based Blind SQL Injection vulnerability confirmed with sqlmap. The author stresses that recon is a continuous process involving hypothesis testing, understanding service trust boundaries, and evaluating real security impact for triage teams. Practical advice includes reviewing HackerOne reports for context, maintaining motivation through interesting targets, and revisiting programs as infrastructure evolves. The piece also covers how JavaScript analysis and direct endpoint interaction help map authorization flows and weak links between microservices.

Multiple Critical Vulnerabilities in Langflow Enable Remote Code Execution

IBM disclosed three severe vulnerabilities in the open-source Langflow project on August 24, 2026. The flaws affect server instances and allow attackers to execute arbitrary code under specific conditions. CVE-2026-19286 is a code injection issue in the Agent-to-Agent (A2A) public endpoint that bypasses existing restrictions when authentication is disabled. CVE-2026-19295 permits authenticated users to evade custom component restrictions via eval injection in flow templates, leading to OS-level command execution. CVE-2026-18729 stems from insufficient input validation and lets low-privileged authenticated users bypass protected paths to run arbitrary code on the server. Patches addressing all three issues are now available.