{"id":"CVE-2026-101281","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101281","generatedAt":"2026-10-27T23:45:13.299Z","title":"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.","description":"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.","published":"2026-09-29T01:16:44.000Z","lastModified":"2026-10-01T16:17:32.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-287"],"affected":[],"epss":{"score":0.00411,"percentile":0.35055,"date":"2026-10-26","history":[{"date":"2026-09-29","score":0.0041,"percentile":0.32703}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-29T01:16:44.000Z","detail":{"score":"5.5","severity":"MEDIUM","publishedAt":"2026-09-29T01:16:44.367Z"},"summary":"New CVE, medium severity (CVSS 5.5)."}],"references":[{"url":"https://github.com/trusteddomainproject/OpenDMARC/commit/c48a74c758677fc5272a73eff15ffdbf8afda1a6","source":"cna@vuldb.com"},{"url":"https://github.com/trusteddomainproject/OpenDMARC/issues/262","source":"cna@vuldb.com"},{"url":"https://github.com/trusteddomainproject/OpenDMARC/pull/328","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-101281","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/918284","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/411038","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/411038/cti","source":"cna@vuldb.com"},{"url":"https://xuyongzhe-vt.github.io/share/opendmarc-spf-postmaster-macro.html","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101281","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}