CVE-2026-107352: Missing authorization checks in Amazon Athena engine version 3 request handling

Severity: high (CVSS 7.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-07 · updated 2026-10-11
Weakness: CWE-424

Description

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.

Affected products

AWS Amazon Athena: all versions

References

https://aws.amazon.com/security/security-bulletins/2026-128-aws/

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