{"schema":"threatline.record/2","record":{"id":"CVE-2026-101281","aliases":[],"summary":"Trusted Domain Project OpenDMARC SPF Macro opendmarc_spf.c opendmarc_sp2_find_mailfrom_domain improper authentication","details":"A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_sp2_find_mailfrom_domain of the file libopendmarc/opendmarc_spf.c of the component SPF Macro Handler. This manipulation causes improper authentication. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: c48a74c758677fc5272a73eff15ffdbf8afda1a6. Applying a patch is the recommended action to fix this issue.","categories":["Unclassified"],"product":"OpenDMARC","vendor":"Trusted Domain Project","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-101281","source_modified_at":"2026-10-01T15:27:22.750Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"OpenDMARC","vendor":"Trusted Domain Project","versions":[{"version":"1.4.0","status":"affected"},{"version":"1.4.1","status":"affected"},{"version":"1.4.2","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0041,"percentile":0.34176,"score_date":"2026-10-23"},"published_at":"2026-09-29T00:45:11.946Z","modified_at":"2026-10-01T15:27:22.750Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-101281","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T15:27:22.750Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-101281","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://vuldb.com/vuln/411038","tags":["vdb-entry","technical-description"]},{"source":"CVE List","url":"https://vuldb.com/vuln/411038/cti","tags":["signature","permissions-required"]},{"source":"CVE List","url":"https://vuldb.com/cve/CVE-2026-101281","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://vuldb.com/submit/918284","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/trusteddomainproject/OpenDMARC/issues/262","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/trusteddomainproject/OpenDMARC/pull/328","tags":["issue-tracking","patch"]},{"source":"CVE List","url":"https://xuyongzhe-vt.github.io/share/opendmarc-spf-postmaster-macro.html","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/trusteddomainproject/OpenDMARC/commit/c48a74c758677fc5272a73eff15ffdbf8afda1a6","tags":["patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-01T15:27:09.242643Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-01T15:27:22.750Z","content_hash":"ef0cffab634dc3b2886bc61edc965da9c59916a5720af8ea7b7bc25b27e363cc"}}