{"id":"CVE-2026-107834","revision":"e540e4b9c0304da7bbf2a8c9ac71109b","records":[{"revision":"e540e4b9c0304da7bbf2a8c9ac71109b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-107834","aliases":[],"title":"OWASP Coraza WAF: Resource exhaustion via deferred file handle accumulation in multipart body processor","description":"OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the multipart loop in internal/bodyprocessors/multipart.go executes defer temp.Close() for every uploaded file part, so each temporary-file descriptor remains open until the complete request returns. An unauthenticated attacker can submit a multipart body containing many minimal file parts and exhaust the process file-descriptor table within the request-body size limit, causing os.CreateTemp failures, MULTIPART_STRICT_ERROR responses, blocked legitimate uploads, and process-wide inability to open files or sockets. This issue is fixed in version 3.8.0.","state":0,"publishedAt":"2026-10-09T17:41:07.802+00:00","modifiedAt":"2026-10-13T20:26:52.261+00:00","affected":[{"ecosystem":"Vendor product","name":"coraza","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"corazawaf\",\n                    \"product\": \"coraza\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 3.0.0, < 3.8.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/corazawaf/coraza/security/advisories/GHSA-rp9v-7xv3-r6g3","https://github.com/corazawaf/coraza/commit/1bc39036e99c88e7de60cf8e6bb55ee4c311223c","https://github.com/corazawaf/coraza/releases/tag/v3.8.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107834","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107834","identifiers":["CVE-2026-107834"]},"retained":false,"historicalAffected":[]}],"coverage":[]}