CVE-2026-101280 Trusted Domain Project OpenDMARC Multi-Record Set opendmarc_policy_query_dmarc authentication spoofing
MediumCVSS 6.9
EPSS 0.40%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| trusted domain project opendmarc | = 1.4.0 | No fix listed |
| trusted domain project opendmarc | = 1.4.1 | No fix listed |
| trusted domain project opendmarc | = 1.4.2 | No fix listed |
| debian/opendmarc(Debian:12) | All versions | No fix listed |
| debian/opendmarc(Debian:12) | = 1.4.2-2 | No fix listed |
| debian/opendmarc(Debian:12) | = 1.4.2-3 | No fix listed |
| debian/opendmarc(Debian:12) | = 1.4.2-4 | No fix listed |
| debian/opendmarc(Debian:12) | = 1.4.2-4.1 | No fix listed |
| debian/opendmarc(Debian:12) | = 1.4.2-4.1~exp1 | No fix listed |
| debian/opendmarc(Debian:12) | = 1.4.2-5 | No fix listed |
| debian/opendmarc(Debian:12) | = 1.4.2-5.1 | No fix listed |
| debian/opendmarc(Debian:13) | All versions | No fix listed |
| debian/opendmarc(Debian:13) | = 1.4.2-5 | No fix listed |
| debian/opendmarc(Debian:13) | = 1.4.2-5.1 | No fix listed |
| debian/opendmarc(Debian:14) | All versions | No fix listed |
| debian/opendmarc(Debian:14) | = 1.4.2-5 | No fix listed |
| debian/opendmarc(Debian:14) | = 1.4.2-5.1 | No fix listed |
| ubuntu/opendmarc(Ubuntu:22.04) | All versions | No fix listed |
| ubuntu/opendmarc(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/opendmarc(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/opendmarc(Ubuntu:26.10) | All versions | No fix listed |
References
- Red Hat CVE page vendor-advisory
- Red Hat Bugzilla 2542898 issue-tracking
- www.cve.org
- nvd.nist.gov
- CVE-2026-101280 | CVE Analysis and Report third-party-advisory
- Submit #918282 | The Trusted Domain Project OpenDMARC 1.4.2 Improper Authentication third-party-advisory
- VDB-411037 | Trusted Domain Project OpenDMARC Multi-Record Set opendmarc_policy_query_dmarc authentication spoofing technical-description vdb-entry
- VDB-411037 | CTI Indicators (IOB, IOC, IOA) permissions-required signature
- xuyongzhe-vt.github.io exploit
- Debian Security Tracker CVE-2026-101280 vendor-advisory
- Ubuntu CVE tracker vendor-advisory
- bugs.debian.org issue-tracking