CVE-2026-116606: Barracuda Networks Email Security Gateway (ESG) Authentication Bypass Using an Alternate Path or Channel Vulnerability

Lees ons artikel: Lek in Barracuda ESG laat aanvallers configuratie wijzigen →

Getroffen versies

Product	Getroffen versies	Opgelost in
Barracuda Networks Barracuda Email Security Gateway (ESG)	vóór 9.4.0.030	9.4.0.030

Vereiste actie (tekst van CISA, Engels)

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.

Beschrijving (NVD, Engels)

An authentication bypass in Barracuda Email Security Gateway versions earlier than 9.4.0.030 allows an unauthenticated remote attacker to invoke a configuration-import function and restore a crafted, compatible backup archive, resulting in unauthorized modification of the appliance’s global configuration.

Beveiligingsadviezen van leveranciers

• Kwetsbaarheden verholpen in Barracuda Email Security Gateway

BRONNEN

• NVDNVD entry for CVE-2026-116606
• CISA KEVCISA Known Exploited Vulnerabilities catalog
• NCSC-NLadvisories.ncsc.nl/advisory

Andere lekken bij Barracuda Networks

• CVE-2026-111560: Barracuda Networks Multiple Products OS Command Injection Vulnerability
• CVE-2023-2868: Barracuda Networks ESG Appliance Improper Input Validation Vulnerability

Gegevens van NVD, CISA KEV, FIRST EPSS en adviezen van leveranciers. Bijgewerkt 11 nov 2026.