CVE•Published 2026-07-22•Modified 2026-07-22•1 article on news•6 live references•NVD data
CVE-2026-13321
Vulnerability data via NVD (ingested)
CVSS v3.1
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.
Timeline
Published 2026-07-22
Modified 2026-07-22
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-2026-13321Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-13321Censys host search filtered to this CVE id.
grep.app
CVE-2026-13321Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-13321GitHub code search for direct mentions.
Google dork
"CVE-2026-13321" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-13321 on GitHub.