CVE-2026-18140
1 advisory.
crates.io/aws-smithy-json CVE-2026-18140: high 7.5
aws-smithy-json: Uncontrolled recursion in the aws-smithy-json unknown-key skip path allows unauthenticated remote denial of service in smithy-rs generated servers
Action: Upgrade aws-smithy-json to 0.62.7 or later.
cargo update -p aws-smithy-json --precise 0.62.7Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.62.7 | - |
Fixed versions
| 0.62.7 |
Sources
- osv: GHSA-8ffr-xgwf-xj56
- https://github.com/smithy-lang/smithy-rs/security/advisories/GHSA-8ffr-xgwf-xj56
- https://nvd.nist.gov/vuln/detail/CVE-2026-18140
- https://github.com/smithy-lang/smithy-rs/pull/4685
- https://github.com/smithy-lang/smithy-rs/commit/8f0882046c467981ba5b4fd91a10befa96bd262f
- https://aws.amazon.com/security/security-bulletins/2026-067-aws
- https://crates.io/crates/aws-smithy-json/0.62.7
- https://github.com/smithy-lang/smithy-rs
CVE-2026-18140 · published · modified · JSON