CVE-2026-9137
High · 7.5CVSS
7.5
EPSS
0.5%
Published
May 20, 2026
CISA due date
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The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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