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CVE PROGRAM SOURCE RECORD5.1 Medium

CVE-2026-9137

CSP Report Endpoint Log Flooding in MISP via Incorrect Size Limit

Description

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 exhaustion or log flooding.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

misp misp

Default version status: unaffected

  • 2.5.0 to ≤ 2.5.37affected

References