CVE-2026-0543

MEDIUM

6.5

Description

Improper Input Validation (CWE-20) in Kibana's Email Connector can allow an attacker to cause an Excessive Allocation (CAPEC-130) through a specially crafted email address parameter. This requires an attacker to have authenticated access with view-level privileges sufficient to execute connector actions. The application attempts to process specially crafted email format, resulting in complete service unavailability for all users until manual restart is performed.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie1/13/2026

Derniere modification1/22/2026

Sourcenvd

Observations honeypot0

Produits affectes

elastic:kibana

Faiblesses (CWE)

CWE-20CWE-770

References

https://discuss.elastic.co/t/kibana-8-19-10-9-1-10-9-2-4-security-update-esa-2026-08/384523(security@elastic.co)

Correlations IOC

Aucune correlation enregistree

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