CVE-2026-115413 - AWS API MCP Server OAuth token audience validation bypass
CVE-2026-115413
Summary
No separate summary was provided in the collected bulletin.
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
We identified CVE-2026-12043, an issue where improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted sequence of HTTP/2 HEADERS frames.
CVEs in this advisory 1
Update history
What changed in later vendor updates
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- The vendor changed the advisory's last-updated date.
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- The vendor changed the advisory summary.
- The vendor changed the advisory's last-updated date.
- The vendor changed the advisory's last-updated date.
Updates
- Added to SecurityAlert
We collected the advisory from the official source.
- Published by AWS
The publication date reported by the vendor.
- Confirmed at the source
Our collector saw this advisory during a later source check.