Trusted Domain Project OpenDMARC SPF Macro opendmarc_spf.c opendmarc_sp2_find_mailfrom_domain improper authentication
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.
CVE-2026-101281
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-101281
OpenDMARC
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
],
"vendor": "Trusted Domain Project",
"modules": [
"SPF Macro Handler"
],
"product": "OpenDMARC",
"versions": [
{
"status": "affected",
"version": "1.4.0"
},
{
"status": "affected",
"version": "1.4.1"
},
{
"status": "affected",
"version": "1.4.2"
}
]
}
]- Related CVEs
- CVE-2026-101281
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #5615 · Revision 1
- Added to Heist Feed
- Publisher date