CVE-2026-93450

Public on 2026-09-18
Modified on 2026-10-21
Description
go-openapi/swag jsonutils before 0.27.1 contains a stack overflow vulnerability in ordered JSON parsing and serialization due to unbounded recursion with no depth limit. Remote unauthenticated attackers can submit deeply nested JSON documents to services accepting OpenAPI specifications, causing fatal stack overflow that terminates the process and all in-flight requests.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core amazon-cloudwatch-agent Not Affected
Amazon Linux 2023 amazon-cloudwatch-agent Not Affected
Amazon Linux 2027 Preview amazon-cloudwatch-agent Not Affected
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra docker Not Affected
Amazon Linux 2 - Docker Extra docker Not Affected
Amazon Linux 2 - Ecs Extra docker Not Affected
Amazon Linux 2023 docker Not Affected
Amazon Linux 2027 Preview docker Pending Fix
Amazon Linux 2 - Docker Extra runfinch-finch Pending Fix
Amazon Linux 2023 runfinch-finch Pending Fix
Amazon Linux 2027 Preview runfinch-finch Pending Fix
Amazon Linux 2 - Docker Extra soci-snapshotter Not Affected
Amazon Linux 2023 soci-snapshotter Not Affected
Amazon Linux 2027 Preview soci-snapshotter Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H