CVE Catalog

CVE-2026-89090

MediumCVSS 5.9
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.31%

24th percentile - higher than 24% of all known CVEs

Summary

An unrecovered panic in the event stream header decoder in Amazon AWS SDK for Go v2 before release-2026-03-23 allows 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.

Risk Assessment

An attacker can remotely crash an application using AWS SDK for Go v2, causing a denial of service without authentication.

Recommendation

Upgrade AWS SDK for Go v2 to release-2026-03-23 or later, and patch any forked or derivative code.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS