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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-5429

Kiro IDE Webview Cross-Site Scripting via Workspace Color Theme

Description

Unsanitized input during web page generation in the Kiro Agent webview in Kiro IDE before version 0.8.140 allows a remote unauthenticated threat actor to execute arbitrary code via a potentially damaging crafted color theme name when a local user opens the workspace. This issue requires the user to trust the workspace when prompted. To remediate this issue, users should upgrade to version 0.8.140.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

AWS Kiro IDE

Default version status: unaffected

  • 0.1 to < 0.8.140affected

References