CVE-2026-52688
HIGHCVSS 7.5/10EPSS 0.39%
Last modified
CVE-2026-52688 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| PowerDNS | Recursor | >= 5.2.0, < 5.2.12; >= 5.3.0, < 5.3.9; >= 5.4.0, < 5.4.4 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-52688?
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
How severe is CVE-2026-52688?
CVE-2026-52688 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2026-52688?
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.
How Strix Helps
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Are you affected by CVE-2026-52688?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST