Is CVE-2026-77810 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-77810?

CVE-2026-77810 has a CVSS v3 severity of CRITICAL (9.9).

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CVE-2026-77810

Description

In the Neptune connector, a user with access to Neptune through Athena Federated Query could gain access to properties in the Lambda supplying the compute for the connector. To remediate this issue, users should upgrade to aws-athena-query-federation v2026.30.1 or later.