CVE-2026-52688

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

High · published July 23, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
6.8
In the wild
Unconfirmed
What it is

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00176 · 6.8th percentile
Published
2026-07-23T08:03Z
EPSS history
Timeline
  • 23 JUL 08:03Z
    RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
    cvelistv5