What is CVE-2026-107352?

CVE-2026-107352 is a high-severity vulnerability in AWS Amazon Athena, classified under CWE-424. CVSS score: 7.7/10. Published 2026-10-07.

How severe is CVE-2026-107352?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in AWS Amazon Athena

CVE-2026-107352

Missing authorization checks in Amazon Athena engine version 3 request handling could have allowed an authenticated user to read limited query metadata (AWS account identifiers and SQL statement text) from other AWS accounts. Query results, credentials, and Amazon S3 data were not affected. AWS remediated the issue on September 1, 2026, and has confirmed no customer metadata was accessed. No customer action is required.

Published 2026-10-07 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

AWS Amazon Athena

Weakness classification (CWE)

References

ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory)

Frequently asked questions

What is CVE-2026-107352?: CVE-2026-107352 is a high-severity vulnerability in AWS Amazon Athena, classified under CWE-424. CVSS score: 7.7/10. Published 2026-10-07.
How severe is CVE-2026-107352?: High severity. CVSS v3 base score is 7.7 out of 10.