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CVE-2026-52688highCWE-295CWE-345

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

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
PowerDNS · Recursor