What is CVE-2026-46582?

CVE-2026-46582 is a low-severity vulnerability in Nlnet Labs Unbound, classified under CWE-358. CVSS score: 3.7/10. Published 2026-07-22.

How severe is CVE-2026-46582?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Nlnet Labs Unbound

CVE-2026-46582

In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, a replay of a wildcard rrset as another piece of data, could be briefly considered DNSSEC secure based only on the RRSIG validation and stored into cache, before later validation trea…

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Nlnet Labs Unbound — versions 1.6.0

Weakness classification (CWE)

CWE-358

References

sep@nlnetlabs.nl (vendor-advisory)

Frequently asked questions

What is CVE-2026-46582?: CVE-2026-46582 is a low-severity vulnerability in Nlnet Labs Unbound, classified under CWE-358. CVSS score: 3.7/10. Published 2026-07-22.
How severe is CVE-2026-46582?: Low severity. CVSS v3 base score is 3.7 out of 10.