CVE-2026-9137

CVE-2026-9137 affects the CSP report endpoint in MISP. The endpoint intended to cap CSP report payloads at 1 KB was incorrectly allowing reports up to 1 MB before truncation, enabling potential log flooding and resource exhaustion on deployments where the endpoint is reachable by untrusted client...

CVE-2026-9137 CSP Report Endpoint Log Flooding in MISP via Incorrect Size Limit

The CSP report endpoint in MISP intended to limit logged CSP reports to 1 KB but incorrectly allowed reports up to 1 MB before truncation. On deployments where the endpoint is reachable by untrusted clients, this could allow attackers to generate excessive log volume and contribute to resource...