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CVE-2026-89090

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

CVSS 4.0 · ff89ba41-3aa1-4d27-914a-91399e9639e5 · Secondary 8.2 HIGHCVSS 3.1 · ff89ba41-3aa1-4d27-914a-91399e9639e5 · Secondary 5.9 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 25 Oct 2026 16:19:22 UTC. Read the latest advisory.

nvd · CVE-2026-89090

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

Related advisories and sources

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-89090 · CVE overview and exploitation status

nvd · CVE-2026-89090

This historical advisory does not include today's related changes. Open the latest advisory to find current connections.

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 14:22 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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