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.
{
"cna_assigner": "CIRCL",
"cwe_ids": [
"CWE-400"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9137.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.5.0"
},
{
"fixed": "2.5.38"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "02932cccab230b295afcaf5aa05e363d30db0ec9"
}
],
"source": "REFERENCES_COMMIT"
}
]
}