{"id":"CVE-2026-90450","revision":null,"records":[{"revision":"caddcc91cf2a4339a52edc3ab2c5a0e8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90450","aliases":[],"title":"Incorrect Authorization in Malcolm","description":"The application's role-authorization lookup defaults to granting access when a request handler's name is not present in its table of role requirements, rather than defaulting to deny. Any request handler that is not explicitly registered in this table is reachable by any authenticated user regardless of their assigned role, and any newly added handler is fail-open by default until explicitly added to the table.","state":0,"publishedAt":"2026-09-11T21:50:11.417+00:00","modifiedAt":"2026-10-02T21:03:30.507+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:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"}],"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-2026-90450","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90450","identifiers":["CVE-2026-90450"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-11T19:58:45.4661486+00:00","complete":true,"records":1097,"lastAttemptAt":"2026-11-11T19:58:45.4661486+00:00","lastSuccessAt":"2026-11-11T19:58:45.6274866+00:00","error":null,"lastVerifiedAt":"2026-11-11T19:58:45.6274869+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-0feae4fee9a0467f9dde710515b6c624","complete":false,"records":13753,"lastAttemptAt":"2026-11-11T19:59:11.1509472+00:00","lastSuccessAt":"2026-11-11T19:59:11.147+00:00","error":"100 identifier lookups failed; latest failures include request timeout. 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