CVE-2026-49193: Publicly Readable AWS S3 Telemetry Buckets
Overly permissive configuration settings on cloud storage containers expose active telemetry information publicly to the internet.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Configuration
Disable public access by enabling S3 Block Public Access settings (block public ACLs/policies and restrict public buckets) for the publicly readable telemetry bucket(s) so telemetry objects are not accessible from the public internet.
Amazon S3 (telemetry bucket) Block Public Access (BlockPublicAcls / IgnorePublicAcls / BlockPublicPolicy / RestrictPublicBuckets) = Enabled
Event History
Frequently Asked Questions
What is the severity of CVE-2026-49193?
The severity of CVE-2026-49193 is rated as high with a score of 8.7 on the CVSS scale.
How do I fix CVE-2026-49193?
To fix CVE-2026-49193, you should revise the bucket permissions and restrict access to authorized users only.
What types of information are exposed by CVE-2026-49193?
CVE-2026-49193 exposes active telemetry information stored in improperly configured Amazon S3 buckets.
What impact does CVE-2026-49193 have on data security?
CVE-2026-49193 can lead to unauthorized data exposure and potential misuse of sensitive telemetry data.
Is CVE-2026-49193 specific to Amazon Web Services?
Yes, CVE-2026-49193 specifically affects Amazon S3 cloud storage containers within Amazon Web Services.