Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-118129

Gravedad CVSS v4.0:
BAJA
Tipo:
CWE-287 Autenticación incorrecta
Fecha de publicación:
28/10/2026
Última modificación:
28/10/2026

Descripción

*** Pendiente de traducción *** A vulnerability was found in jeremyckahn Chitchatter up to f82538633813c854a81a8b2112a2f6ba17b39cbc. The affected element is the function isConfigMessageEvent of the file src/Bootstrap.tsx of the component PostMessage Handler. Performing a manipulation of the argument parentDomain results in improper authentication. Remote exploitation of the attack is possible. The exploit has been made public and could be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The patch is named e3babb5cd83bfe3b99f1d82358ac5c1ea8e8a688. It is recommended to apply a patch to fix this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Impacto

Puntuación base 4.0
2.10
Gravedad 4.0
BAJA
Puntuación base 3.x
6.30
Gravedad 3.x
MEDIA
Puntuación base 2.0
7.50
Gravedad 2.0
ALTA