{"id":"CVE-2026-101278","revision":null,"records":[{"revision":"c7d381504bfb4e79a9b0a283fbd4f36d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-101278","aliases":[],"title":"Trusted Domain Project OpenDMARC PSL Wildcard opendmarc_tld.c : opendmarc_get_tld origin validation","description":"A weakness has been identified in Trusted Domain Project OpenDMARC up to 1.4.2. This affects the function opendmarc_get_tld of the file libopendmarc/opendmarc_tld.c : of the component PSL Wildcard Handler. Executing a manipulation can lead to origin validation error. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.","state":0,"publishedAt":"2026-09-29T00:00:12.788+00:00","modifiedAt":"2026-10-01T15:23:54.171+00:00","affected":[{"ecosystem":"Vendor product","name":"OpenDMARC","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Trusted Domain Project\",\n                    \"product\": \"OpenDMARC\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.4.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"1.4.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"1.4.2\",\n                            \"status\": \"affected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"modules\": [\n                        \"PSL Wildcard Handler\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","score":4.3,"severity":"MEDIUM"},{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","score":4.3,"severity":"MEDIUM"},{"system":"CVSS 2.0","vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR","score":4,"severity":null}],"references":["https://vuldb.com/vuln/411035","https://vuldb.com/vuln/411035/cti","https://vuldb.com/cve/CVE-2026-101278","https://vuldb.com/submit/918273","https://xuyongzhe-vt.github.io/share/opendmarc-psl-wildcard-orgdomain.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101278","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-101278","identifiers":["CVE-2026-101278"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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