CVE•Published 2026-07-30•Modified 2026-09-03•1 article on news•5 live references•NVD data
CVE-2026-65423
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
46
Exploit Prediction Scoring System · top 54% of all CVEs
Weaknesses (CWE)
Description
An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to trigger an out-of-bounds write.
Timeline
Published 2026-07-30
Modified 2026-09-03
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). Live host counts are a Premium feature.
More intel sources (5)
Shodan report
vuln:CVE-2026-65423Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-65423Censys host search filtered to this CVE id.
grep.app
CVE-2026-65423Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-65423GitHub code search for direct mentions.
Google dork
"CVE-2026-65423" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.