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).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://osv.dev/vulnerability/OSEC-2026-06 |
|
History
Mon, 15 Jun 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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). | |
| References |
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-06-15T18:52:25.782Z
Reserved: 2026-05-12T00:00:00.000Z
Link: CVE-2026-45388
No data.
Status : Received
Published: 2026-06-15T20:16:28.350
Modified: 2026-06-15T20:16:28.350
Link: CVE-2026-45388
No data.
OpenCVE Enrichment
No data.