# CVE-2026-77810: Code Injection via Gremlin Query Passthrough in Amazon Athena Neptune Connector

> CVE-2026-77810: Code Injection via Gremlin Query Passthrough in Amazon Athena Neptune Connector. CVSS 9.9 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-77810
Last updated: 2026-10-12T16:10:00Z

- Published: 2026-08-21 19:34 UTC · Updated: 2026-10-12 16:10 UTC · Assigner: AMZN
- CVSS: 9.9 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS: 0.63%, 50th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-95

## 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.

## Affected vendors and products

- AWS: Athena Federated Query Neptune Connector

## Tracked companies

- [Amazon Web Services](https://rewindex.com/company/aws.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-77810)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-77810)
- [https://aws.amazon.com/security/security-bulletins/2026-087-aws/](https://aws.amazon.com/security/security-bulletins/2026-087-aws/)
- [https://github.com/awslabs/aws-athena-query-federation/releases/tag/v2026.30.1](https://github.com/awslabs/aws-athena-query-federation/releases/tag/v2026.30.1)
- [https://github.com/awslabs/aws-athena-query-federation/security/advisories/GHSA-v7c2-5wfg-qg44](https://github.com/awslabs/aws-athena-query-federation/security/advisories/GHSA-v7c2-5wfg-qg44)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-77810 · Markdown: https://rewindex.com/cve/CVE-2026-77810.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-77810 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:43.636Z