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.

INFO

Published Date :

2026-04-02T18:37:42.972Z

Last Modified :

2026-04-02T19:22:46.775Z

Source :

AMZN
AFFECTED PRODUCTS

The following products are affected by CVE-2026-5429 vulnerability.

Vendors Products
Aws
  • Kiro Ide
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-5429.

URL Resource
https://aws.amazon.com/security/security-bulletins/2026-012-aws/ cve-icon cve-icon
https://kiro.dev/changelog/ide/0-8/#patch-0-8-140 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact