GHSA-mvm6-f9r3-fgfx
Critical · 9.3AWS SDK for .NET: Improper escaping of special characters in CloudFront policy document construction
CVSS
9.3
EPSS
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Published
Mar 27, 2026
CISA due date
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The record
This notification is related to the CloudFront signing utilities in the AWS SDK for .NET, which are used to generate Amazon CloudFront signed URLs and signed cookies. A defense-in-depth enhancement has been implemented to improve handling of special characters, such as double quotes and backslashes, in input values.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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