CVE-2026-115413 AWS API MCP Server OAuth Token Audience Validation Bypass
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-115413?
CVE-2026-115413 is a high-severity vulnerability in aws-api-mcp-server, published on 27 Oct 2026.
Official description
Missing token audience validation in the OAuth authentication mode of AWS API MCP Server before version 1.6.0 might allow local users to run AWS operations with the server's configured AWS credentials via an access token issued to another application by the same identity provider.
To remediate this issue, users should upgrade to version 1.6.0 and configure the expected token audience or client ID for the server.
Weakness: CWE-346
Which versions are affected by CVE-2026-115413?
How do I fix CVE-2026-115413?
No fix has been published for CVE-2026-115413 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-115413 being exploited?
There is no known exploitation of CVE-2026-115413 in the wild and no public exploit code.