5.3
MEDIUM
CVSS 3.1
CVE-2026-42390
ZONEMD validation can be bypassed
Overview
Description
An invalid zone might pass ZONEMD validation while it should not. This is only relevant if ZoneToCache is configured with ZONEMD validation.
Details
INFO
Published Date :
June 25, 2026, 1:01 p.m.
Last Modified :
June 25, 2026, 1:01 p.m.
Remotely Exploit :
Yes !
Source :
OX
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 8ce71d90-2354-404b-a86e-bec2cc4e6981 | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
Correct ZoneToCache configuration for ZONEMD validation.
- Ensure ZoneToCache is not configured with ZONEMD validation.
- Review and correct zone configurations if validation is enabled.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-42390 vulnerability anywhere in the article.
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.