{"id":"CVE-2026-90453","revision":"fc9666bd071c4b71b633d106bd7d77f4","records":[{"revision":"fc9666bd071c4b71b633d106bd7d77f4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90453","aliases":[],"title":"Open Redirect in Malcolm","description":"A file-upload handler redirects the authenticated client's browser to a URL taken directly from that same request's Referer header, without validating it against the application's own origin. This allows an authenticated attacker to craft a request that causes another user's browser to be redirected to an arbitrary external destination after completing an upload.","state":0,"publishedAt":"2026-09-11T21:51:25.668+00:00","modifiedAt":"2026-10-02T20:56:51.481+00:00","affected":[{"ecosystem":"Vendor product","name":"Malcolm","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"CISA\",\n                    \"product\": \"Malcolm\",\n                    \"repo\": \"https://github.com/cisagov/Malcolm\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"v26.06.0\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"v26.06.0\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":5.1,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","score":3.5,"severity":"LOW"}],"references":["https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-254-01.json","https://www.cisa.gov/news-events/ics-advisories/icsa-26-254-01"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90453","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90453","identifiers":["CVE-2026-90453"]},"retained":false,"historicalAffected":[]}],"coverage":[]}