OCTOBER 8, 2026
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Case File

CVE-2026-101280

HIGH · CVSS 7.3 EPSS 0.40% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-29 · Last synced 2026-10-08

CyberRota Analysis

AI-Generated

The vulnerability in Trusted Domain Project OpenDMARC versions up to 1.4.2 allows remote attackers to bypass authentication through spoofing via the opendmarc_policy_query_dmarc function. This could lead to unauthorized access to email systems, potentially compromising sensitive information. Organizations using affected versions should prioritize patching this vulnerability to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-101280
Severity
HIGH
CVSS
7.3
EPSS
0.40%

Original NVD Description

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of the component Multi-Record Set Handler. The manipulation results in authentication bypass by spoofing. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.