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.

CVSS Metrics

• v4.0•CRITICAL•Score: 9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
• v3.1•CRITICAL•Score: 9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Techniques & Countermeasures

• CWE-95•Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

  The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before using the input in a dynamic evaluation call (e.g. "eval").

Affected Systems

• aws•athena federated query neptune connector

  ≥ 2024.15.1, ≤ 2026.28.1

References (3)

• https://github.com/awslabs/aws-athena-query-federation/releases/tag/v2026.30.1
• https://aws.amazon.com/security/security-bulletins/2026-087-aws/
• https://github.com/awslabs/aws-athena-query-federation/security/advisories/GHSA-v7c2-5wfg-qg44