CVE-2026-5429

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/security/security-bulletins/2026-012-aws/
https://kiro.dev/changelog/ide/0-8/#patch-0-8-140

Configurations

No configuration.

History

24 Jul 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Entrada no saneada durante la generación de páginas web en la webview de Kiro Agent en Kiro IDE antes de la versión 0.8.140 permite a un actor de amenaza remoto no autenticado ejecutar código arbitrario a través de un nombre de tema de color manipulado potencialmente dañino cuando un usuario local abre el espacio de trabajo. Este problema requiere que el usuario confíe en el espacio de trabajo cuando se le solicite. Para remediar este problema, los usuarios deben actualizar a la versión 0.8.140.

02 Apr 2026, 19:21

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-02 19:21

Updated : 2026-07-24 20:10

NVD link : CVE-2026-5429

Mitre link : CVE-2026-5429

CVE.ORG link : CVE-2026-5429

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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