A zero-day vulnerability in GeoServer, a popular open-source geospatial platform, is being actively exploited by attackers, allowing for SQL injection and potential remote code execution (RCE)1. The vulnerability, disclosed by a security researcher, has yet to be assigned a CVE identifier and currently lacks a patch, leaving organizations that use the platform exposed. Attackers are already probing systems for the vulnerability, taking advantage of the lack of a fix. The fact that exploitation attempts are underway before a patch is available puts defenders at a disadvantage. Organizations running GeoServer should immediately assess their exposure to this vulnerability. This zero-day exploitation highlights the challenges of keeping up with emerging threats, making it essential for practitioners to stay vigilant and take proactive measures to secure their systems, as the absence of a patch means defenders are already behind in mitigating this threat.