CVE-2026-52690
MEDIUMCVSS 5.9/10EPSS 0.35%
Last modified
CVE-2026-52690 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-52690?
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.
How severe is CVE-2026-52690?
CVE-2026-52690 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2026-52690?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-52690?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST