CVE•Published 2026-07-23•Modified 2026-07-23•0 articles on news•5 live references•NVD data
CVE-2026-52686
Vulnerability data via NVD (ingested)
CVSS v3.1
3.7
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
The issue is a DNSSEC validation bypass where wildcard expansion proofs (NSEC/NSEC3 records) are accepted without signature validation when the wildcard answer is a CNAME or DNAME record.
Timeline
Published 2026-07-23
Modified 2026-07-23
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-52686Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-52686Censys host search filtered to this CVE id.
grep.app
CVE-2026-52686Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-52686GitHub code search for direct mentions.
Google dork
"CVE-2026-52686" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (1)
We haven't classified any articles referencing CVE-2026-52686 yet. The external references above still apply.