The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a cybersecurity advisory following vulnerabilities exploited in GeoServer, emphasizing the urgent need for improved cyber defenses across federal agencies. Key shortcomings included delayed patching, inadequate incident response planning, and insufficient monitoring of security alerts, which allowed cyber actors to exploit the vulnerability for unauthorized access. CISA recommends that agencies implement robust vulnerability management plans, prioritize emergency patching of high-risk systems, and regularly test incident response protocols to enhance their cybersecurity posture. This advisory underscores the critical importance of proactive measures in safeguarding federal infrastructure against increasingly sophisticated cyber threats, thereby reinforcing the necessity for continuous vigilance and preparedness in the face of evolving dangers.