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VULNERABILITIES

CVE-2026-89090 Details

Description

An unrecovered panic in the event stream header decoder in Amazon AWS SDK for Go v2 before release-2026-03-23 might allow an unauthenticated remote actor to terminate the consuming application process via a crafted event stream response frame containing a header value type outside the valid range. To remediate this issue, users should upgrade to release-2026-03-23 or later, and patch any forked or derivative code.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: AMZNCVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-110-aws/ AMZN
https://github.com/aws/aws-sdk-go-v2/releases/tag/release-2026-03-23 AMZN
https://github.com/aws/aws-sdk-go-v2/security/advisories/GHSA-xmrv-pmrh-hhx2 AMZN

Weakness Enumeration

CWE-IDCWE NameSource
CWE-248Uncaught ExceptionAMZN

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-89090
NVD Published Date:
Sep 11, 2026
NVD Last Modified:
Sep 11, 2026
Source:
AMZN
CVE-2026-89090 Details - Not Deferred