{"id":"CVE-2026-114101","revision":"b7679cd1bb6545779f849c49aed5a437","records":[{"revision":"b7679cd1bb6545779f849c49aed5a437","observedAt":"2026-10-28T14:46:48.769+00:00","statement":{"source":"cve-program","id":"CVE-2026-114101","aliases":[],"title":"Coraza before 3.8.1 Multipart filename* Charset Handling FILES Rule Bypass","description":"Coraza before 3.8.1 extracts multipart upload filenames with Go's mime.ParseMediaType, which silently ignores RFC 5987 filename* parameters whose charset is not utf-8 or us-ascii. Unauthenticated attackers can send a decoy filename with filename*=iso-8859-1''shell.php, or filename* alone, so FILES-based rules never see the real name, letting dangerous uploads reach backends that honor filename*.","state":0,"publishedAt":"2026-10-21T00:37:03.229+00:00","modifiedAt":"2026-10-28T13:51:32.918+00:00","affected":[{"ecosystem":"Vendor product","name":"coraza","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"corazawaf\",\n                    \"product\": \"coraza\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/corazawaf/coraza/v3\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.8.1\"\n                        },\n                        {\n                            \"version\": \"3.8.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","score":4,"severity":"MEDIUM"}],"references":["https://github.com/corazawaf/coraza/security/advisories/GHSA-3wr7-993q-jrff","https://www.vulncheck.com/advisories/coraza-before-3.8.1-multipart-filename-charset-handling-files-rule-bypass"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114101","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-114101","identifiers":["CVE-2026-114101"]},"retained":false,"historicalAffected":[]}],"coverage":[]}