CVEvulnerability
CVE-2026-101280
5.5 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-09-29
- Last modified
- 2026-09-29
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.5 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-287, CWE-290
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.
Related
References
- https://vuldb.com/cve/CVE-2026-101280 vuldb.com
- https://vuldb.com/submit/918282 vuldb.com
- https://vuldb.com/vuln/411037 vuldb.com
- https://vuldb.com/vuln/411037/cti vuldb.com
- https://xuyongzhe-vt.github.io/share/opendmarc-multi-record-downgrade.html xuyongzhe-vt.github.io