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Barracuda Networks exploited vulnerabilities: 3 in CISA KEV, 2 in the last 12 months

Gociux · updated with each KEV addition · latest 10 Nov 2026

CISA lists 3 Barracuda Networks vulnerabilities as exploited in the wild, 2 of them added in the last 12 months (up from 0 in the 12 months before). 0 (0%) are known to be used in ransomware campaigns. For entries added in the last two years, the median time from CVE publication to the KEV listing was 8 days. Most affected: Multiple Products (1), Barracuda Email Security Gateway (ESG) (1), Email Security Gateway (ESG) Appliance (1).

3in CISA KEV
2last 12 months
0%ransomware-linked
8dpublication → KEV (median)

Exploited CVEs added per year

001002
202120222023202420252026

Most affected products

ProductKEV entries
Multiple Products1
Barracuda Email Security Gateway (ESG)1
Email Security Gateway (ESG) Appliance1

Every exploited Barracuda Networks CVE

CVEVulnerabilityAdded
CVE-2026-116606Barracuda Networks Email Security Gateway (ESG) Authentication Bypass Using an Alternate Path or Channel VulnerabilityBarracuda Email Security Gateway (ESG)10 Nov 2026
CVE-2026-111560Barracuda Networks Multiple Products OS Command Injection VulnerabilityMultiple Products10 Nov 2026
CVE-2023-2868Barracuda Networks ESG Appliance Improper Input Validation VulnerabilityEmail Security Gateway (ESG) Appliance26 May 2023

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How to read this: CISA KEV lists vulnerabilities with reliable evidence of exploitation; a vendor with many entries is often one with a large, internet-facing install base, not necessarily worse engineering. "Publication → KEV" is the median number of days between the CVE's publication and its addition to KEV, for entries added in the last 24 months (2 entries); it is an upper bound on how long defenders had, since exploitation usually starts before the listing. Under NIS2 article 21(2)(d), supplier security is part of your risk management; this page is a starting point for that review. Compare vendors on the scorecard index.

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