Load Balancer ADC Firmware vulnerabilitiesAnd the versions its exploited flaws hit.

Product1 known exploited5 versions
The short answer

Load Balancer ADC Firmware is made by Barracuda. We track 1 published vulnerability in it, across 5 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 10 November 2026. If you run Load Balancer ADC Firmware, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Load Balancer ADC Firmware flaw added to the known-exploited list is CVE-2026-111560, on 10 November 2026. We keep watching the known-exploited list.

Versions

Which versions of Load Balancer ADC Firmware do the exploited flaws hit?

Each exploited flaw lists the versions it affects, usually as ranges. "before 6.4" means every version up to, but not including, 6.4. Find your version, then patch.

  • CVE-2026-111560Exploited list, 10 Nov 2026

    Barracuda Networks Multiple Products OS Command Injection Vulnerability

    before 6.4
Known exploited

Which Load Balancer ADC Firmware vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 8.6
    CVE-2026-111560HighKnown exploited
    Barracuda Networks Multiple Products OS Command Injection Vulnerability

    Barracuda Networks Email Security Gateway (ESG), Load Balancer, Application Delivery Controller (ADC), Message Archiver (BMA), WAF Control Center (WCC), Web Application Firewall (WAF), and Web Security Gateway (WSG)...

    Chance of use9.1%Known exploited since10 Nov 2026
Exploit likelihood

Which Load Balancer ADC Firmware flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 11%

    A remote command injection vulnerability exists in the Barracuda Load Balancer product line (confirmed on v5.4.0.004 (2015-11-26) and v6.0.1.006 (2016-08-19); fixed in 6.1.0.003 (2017-01-17)) in which an...

    CVSS8.8Published18 Jul 2017
  2. 9.1%
    CVE-2026-111560HighKnown exploited

    Improper neutralization of shell metacharacters in the timezone configuration field in certain Barracuda appliance products using common Barracuda code allows an authenticated administrator to inject OS commands that...

    CVSS8.6Published2 Nov 2026
  3. 1.1%

    Authenticated, administrative access to a Barracuda Load Balancer ADC running unpatched firmware <= v6.4 allows one to edit the LDAP service configuration of the balancer and change the LDAP server to an...

    CVSS6.5Published12 Mar 2020
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We track 1 published vulnerability listed under the name Load Balancer ADC Firmware, across 5 versions. The most recent Load Balancer ADC Firmware flaw added to the known-exploited list is CVE-2026-111560, on 10 November 2026.

1 is on the list of flaws known to be exploited. The most recently added is CVE-2026-111560.

Each flaw names its own versions, usually as ranges. The newest, CVE-2026-111560, affects before 6.4. The versions for every exploited flaw are listed on this page.

Create a EdgeProtect account and track Load Balancer ADC Firmware. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.