CVEvulnerability
CVE-2026-101281
5.5 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-09-29
- Last modified
- 2026-10-01
- 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
Description
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: c48a74c758677fc5272a73eff15ffdbf8afda1a6. Applying a patch is the recommended action to fix this issue.
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://github.com/trusteddomainproject/OpenDMARC/commit/c48a74c758677fc5272a73eff15ffdbf8afda1a6 github.com
- https://github.com/trusteddomainproject/OpenDMARC/issues/262 github.com
- https://github.com/trusteddomainproject/OpenDMARC/pull/328 github.com
- https://vuldb.com/cve/CVE-2026-101281 vuldb.com
- https://vuldb.com/submit/918284 vuldb.com
- https://vuldb.com/vuln/411038 vuldb.com
- https://vuldb.com/vuln/411038/cti vuldb.com
- https://xuyongzhe-vt.github.io/share/opendmarc-spf-postmaster-macro.html xuyongzhe-vt.github.io