cvedb.io
CVE-2026-54891
UNKNOWN · CVSS n/a
EPSS exploitation probability: 0%
Published 2026-07-02T17:17:02.747 · Last modified 2026-07-02T18:16:49.387

Summary

Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in Erlang/OTP ssl (tls_gen_connection module) allows a network-positioned attacker to inject unauthenticated plaintext that the TLS client application later treats as authenticated server data. The function tls_gen_connection:handle_protocol_record/3 rejects APPLICATION_DATA records that arrive in pre-handshake states when the TLS endpoint acts as a server, but does not apply the same check when the endpoint acts as a client. A network-positioned attacker can send plaintext APPLICATION_DATA records to the client during the handshake. The records are buffered and, once the handshake completes successfully, delivered to the application as if they were authenticated post-handshake data. The

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.