5.9
MEDIUM
CVSS 3.1
CVE-2026-52690
Spoofed answers can mark an authoritative non-EDNS capable
Overview
Description
Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail.
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 |
Solution
Address EDNS support misconfiguration to ensure DNSSEC validation success.
- Verify authoritative server EDNS compliance.
- Configure servers to properly support EDNS.
- Test DNSSEC validation after changes.
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-2026-52690 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.