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CVE•Published 2026-05-19•Modified 2026-05-19•0 articles on news•6 live references•NVD data

CVE-2026-45557

Vulnerability data via NVD (ingested)

CVSS v3.1
5.8
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
EPSS percentile
—
Weaknesses (CWE)
CWE-405Asymmetric Resource Consumption (Amplification)CWE-406Insufficient Control of Network Message Volume (Network Amplification)CWE-770Allocation of Resources Without Limits or Throttling
Description

Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.

Timeline
Published 2026-05-19
Modified 2026-05-19

External references

NVDMITREExploit-DBGitHub PoCSploitusVulnCheck

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).

Shodan · vuln tag0 hosts
vuln:CVE-2026-45557
Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-45557
Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-45557
Censys host search filtered to this CVE id.
grep.app
CVE-2026-45557
Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-45557
GitHub code search for direct mentions.
Google dork
"CVE-2026-45557" exploit -site:nvd.nist.gov
Write-ups and news, NVD excluded.

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-45557 on GitHub.
We haven't classified any articles referencing CVE-2026-45557 yet. The external references above still apply.