CVE-2026-111560

Barracuda Networks Multiple Products command injection, confirmed exploited in the wild.

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) contain an OS command injection vulnerability. This vulnerability could allow an authenticated administrator to inject OS commands that execute with root privileges when the crafted timezone value is subsequently processed. This vulnerability can be chained with CVE-2026-116606

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6.2%chance of exploitation in the next 30 days (EPSS), 93rd percentile

10 Novadded to CISA's Known Exploited Vulnerabilities list, 2026

13 Novfederal remediation deadline

Todayleft before the deadline, as of 13 November 2026

CISA's name for it	Barracuda Networks Multiple Products OS Command Injection Vulnerability
Vendor and product	Barracuda Networks · Multiple Products
Type	command injection · CWE-78
Exploited	Confirmed by CISA listed 10 November 2026
Likelihood	more likely to be exploited than most
Deadline	13 November 2026 · today
Used in ransomware	Not reported
Advisories	trust.barracuda.com ↗ · github.com ↗ · www.cisa.gov ↗ · www.cisa.gov ↗

What to do

Three steps, in this order

Step 1

Apply the vendor fix; command injection on an exposed device is used within days of disclosure.

Step 2

Restrict the management interface to a trusted network until the fix is in.

Step 3

Review the device's logs and configuration for changes you did not make.

CISA's required action	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.

CISA's required action

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.

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Questions

CVE-2026-111560 in short

Is CVE-2026-111560 being exploited?

Yes. CISA added CVE-2026-111560 to its Known Exploited Vulnerabilities catalogue on 10 November 2026, which it does only on evidence of exploitation in the wild.

What is the CISA deadline for CVE-2026-111560?

US federal agencies must remediate it by 13 November 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.

How likely is CVE-2026-111560 to be exploited in the next 30 days?

FIRST's Exploit Prediction Scoring System gives it 6.2%, the 93rd percentile of every CVE it scores.

How do I fix CVE-2026-111560?

Apply the vendor fix; command injection on an exposed device is used within days of disclosure. Restrict the management interface to a trusted network until the fix is in. Review the device's logs and configuration for changes you did not make.

Same vendor

Other Barracuda Networks vulnerabilities being exploited

CVE	Product	Type	Listed
CVE-2026-116606	Barracuda Email Security Gateway (ESG)	authentication bypass	10 November 2026

Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.