CVE-2026-101015CWE-1289CWE-20

CVE-2026-101015

High · published September 28, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
20.7
In the wild
Unconfirmed
What it is

A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this issue is some unknown functionality of the file policy.c of the component Domain Handler. Executing a manipulation can lead to improper validation of unsafe equivalence in input. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
6.9 · 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
EPSS
0.00293 · 20.7th percentile
Weaknesses
CWE-1289 · Improper Validation of Unsafe Equivalence in Input; CWE-20 · Improper Input Validation
Published
2026-09-28T13:17Z
References (5)
https://vuldb.com/cve/CVE-2026-101015 · [email protected]https://vuldb.com/submit/917216 · [email protected]https://vuldb.com/vuln/410885 · [email protected]https://vuldb.com/vuln/410885/cti · [email protected]https://weitongli.com/share/opendmarc-unicode-dot-bypass.html · [email protected]
EPSS history
Timeline
  • 29 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 28 SEP 08:30Z
    Trusted Domain Project OpenDMARC policy.c improper validation of unsafe equivalence in input
    cvelistv5