Critical 9.9Published Aug 21, 2026

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

Updated under an hour ago (2026-10-19 09:10 UTC)

Does this affect you?

It affects AWS Athena Federated Query Neptune Connector. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for AWS Athena Federated Query Neptune Connector

Exploited in the last 30 days

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: 9.9 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-95
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: AMZN
NVD analysis: Awaiting Analysis
Record last updated: Aug 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

AWS Athena Federated Query Neptune Connector aws:athena_federated_query_neptune_connector (from the name)	from 2024.15.1 through 2026.28.1	CNA record

References

https://github.com/awslabs/aws-athena-query-federation/releases/tag/v2026.30.1patch
https://aws.amazon.com/security/security-bulletins/2026-087-aws/vendor-advisory
https://github.com/awslabs/aws-athena-query-federation/security/advisories/GHSA-v7c2-5wfg-qg44third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.