NVD HIGH: CVE-2026-101281 — A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected ...

Tuesday, September 29, 2026 at 01:16 AM UTC·Source: NIST NVD

Updated: Wednesday, September 30, 2026 at 10:00 PM UTC

Executive Summary

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: c48a74c75

Analysis

Indicators of Compromise (2)

SHA-1 (1)

c48a74c758677fc5272a73eff15ffdbf8afda1a6

VirusTotal AnyRun Joe Sandbox

CVE (1)

CVE-2026-101281

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on Sep 29, 2026. Verified by: NIST.

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