AM
Product
Amazon.Extensions.S3.Encryption
by Amazon · last CVE Oct 14, 2026
1
CVEs
0
On KEV
5.3
Max CVSS
1
New 30D
Severity mix
Critical 0High 0Medium 1Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-110310
5.3
1%
Oct 14
RSA PKCS#1 v1.5 padding oracle via legacy envelope key format downgrade in Amazon S3 Encryption Client for .NET
Affected: 2.1.0 through 2.*; 3.0.0 through 3.2.1; 4.0.0 through 4.0.2
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