VULNRABLE / Vulnerability / CVE-2026-18140
CVE-2026-18140
HIGH LOW aws-smithy-json GHSA
Exploit verdict: No active-exploit signal
CVSS Score
8
Severity
HIGH
EPSS
0%
Source
GHSA
Summary
aws-smithy-json: Uncontrolled recursion in the aws-smithy-json unknown-key skip path allows unauthenticated remote denial of service in smithy-rs g...
What this means
CVE-2026-18140 is a high-severity vulnerability affecting aws-smithy-json, rated CVSS 8. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published October 3, 2026.
View full advisory at GHSA →