{"id":"CVE-2026-114101","revision":"2251f36fd2304ce9a012df6d50cdbec5","records":[{"revision":"2251f36fd2304ce9a012df6d50cdbec5","observedAt":"2026-10-29T06:48:04.607+00:00","statement":{"source":"nvd","id":"CVE-2026-114101","aliases":[],"title":"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 fil…","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":"2026-10-21T01:17:35.74+00:00","modifiedAt":"2026-10-28T14:16:57.23+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","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://nvd.nist.gov/vuln/detail/CVE-2026-114101","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-20"],"productCriteria":[],"sourceDates":{"published":"2026-10-21T01:17:35.740","lastModified":"2026-10-28T14:16:57.230"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-114101","identifiers":["CVE-2026-114101"]},"retained":false,"historicalAffected":[]}],"coverage":[]}