CVE-2026-101281 | Trusted Domain Project OpenDMARC up to 1.4.2 SPF Macro opendmarc_spf.c opendmarc_sp2_find_mailfrom_domain improper authentication (Issue 262)

September 28, 2026 Yanac

A vulnerability marked as critical has been reported 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.

This vulnerability is tracked as CVE-2026-101281. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Applying a patch is the recommended action to fix this issue.VulDB Recent EntriesRead More