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CVE-2026-20253 Critique

Splunk Enterprise Missing Authentication for Critical Function Vulnerability.

Splunk · Enterprise

Exploitabilité (EPSS)
96.9 %
percentile mondial 100
Sévérité (CVSS)
9.8
CVSS v3.1
Ajoutée au KEV
18 juin 2026
échéance CISA · 21 juin 2026
Description

Splunk Enterprise contains a missing authentication for critical function vulnerability which could allow an unauthenticated user to create or truncate arbitrary files through a PostgreSQL sidecar service endpoint.

Action requise (CISA)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Familles de faiblesses
CWE-306 · Authentification manquante
Signal de priorisation (d’inspiration SSVC)
Agir en priorité
Exploitation
Active (catalogue KEV)
Automatisable
Oui
Impact technique
Total

Une orientation, pas une décision : le 4ᵉ facteur SSVC (impact mission/société) dépend du contexte de votre organisation. Méthode ↗

NVD ↗ CVE.org ↗ CISA KEV ↗