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.
{
"cna_assigner": "VulDB",
"cwe_ids": [
"CWE-287"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101281.json"
}{
"extracted_events": [
{
"introduced": "1.4.0"
},
{
"last_affected": "1.4.0"
},
{
"introduced": "1.4.1"
},
{
"last_affected": "1.4.1"
},
{
"introduced": "1.4.2"
},
{
"last_affected": "1.4.2"
}
],
"source": [
"AFFECTED_FIELD",
"REFERENCES"
]
}