CVE•Published 2026-06-15•Modified 2026-06-16•1 article on news•5 live references•NVD data
CVE-2026-45388
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
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Weaknesses (CWE)
Description
In OCaml-TLS before 2.1.0, the client implementation does insufficient checks of the certificate provided by the server, which allows impersonation with certificates that are not meant for server authentication (because of KeyUsage and ExtendedKeyUsage).
Timeline
Published 2026-06-15
Modified 2026-06-16
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-2026-45388Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-45388Censys host search filtered to this CVE id.
grep.app
CVE-2026-45388Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-45388GitHub code search for direct mentions.
Google dork
"CVE-2026-45388" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.