---
id: CVE-2026-77810
title: >-
  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
summary: >-
  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-que…
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-95
published: '2026-08-21'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T16:10:00.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-77810'
references:
  - url: 'https://aws.amazon.com/security/security-bulletins/2026-087-aws/'
    label: ff89ba41-3aa1-4d27-914a-91399e9639e5
  - url: >-
      https://github.com/awslabs/aws-athena-query-federation/releases/tag/v2026.30.1
    label: ff89ba41-3aa1-4d27-914a-91399e9639e5
  - url: >-
      https://github.com/awslabs/aws-athena-query-federation/security/advisories/GHSA-v7c2-5wfg-qg44
    label: ff89ba41-3aa1-4d27-914a-91399e9639e5
tags:
  - nvd
epss: 0.00628
epssPercentile: 0.48632
ingestedAt: '2026-10-12T16:57:59.863Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.