Vulnerability Summary: Product: Foswiki Version: Up to 2.1.10 Vulnerability Type: Information Disclosure Category: Problematic Component: Changes/Viewfile/Oops Impact: Sensitive information disclosure, affecting confidentiality. Scores: CVSS Meta Temp Score: 4.8 Current Exploit Price Estimate: $0-$5k CTI Interest Score: 2.59 Key Points: The vulnerability is due to unknown function manipulation causing information disclosure. CVE Identifier: CVE-2026-2861 CWE Category: CWE-200 - Information Exposure Remote exploitation is possible. exploitation appears easy & does not require authentication. Public exploit availability noted. Exposed by Jan Seebens & Michael Daum; advisory on foswiki.org. Recommendation: Upgrade the affected component to mitigate the risk.