HIGH · 7.5

CVE-2026-52688

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

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-52688?

CVE-2026-52688 is a vulnerability with a CVSS score of 7.5 (HIGH). RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

How severe is CVE-2026-52688?

CVE-2026-52688 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-52688?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.