CVE-2026-111560
OS Command Injection in Barracuda Appliances
Updated
- CVSS 4.0
- 8.6 HIGH
- EPSS
- 6.2% (94th pct)
- CISA KEV
- Exploited
- Published
- 2026-11-02
- Weakness
- CWE-78
Barracuda Networks Multiple Products OS Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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 notes
https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injection ; https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0041.md ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-111560
Description
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 execute with root privileges when the crafted timezone value is subsequently processed.
Key Findings
as of 2026-11-12- CISA added CVE-2026-111560 to the KEV catalog 8 days after its CVE record was published. The median for entries added in 2026 so far is 12 days.
- It is one of 3 Barracuda Networks entries in the CISA KEV catalog, and one of 2 added in 2026.
- Its current EPSS score (6.2%) is higher than that of 19% of CISA KEV entries.
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NOpen in CVSS calculator Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Barracuda Networks | Barracuda Networks Barracuda Email Security Gateway (ESG) | 0 to 9.4.0.27 |
| Barracuda Networks | Barracuda Networks Barracuda Load Balancer Application Delivery Controller (ADC) | 0 to 6.4.0 |
| Barracuda Networks | Barracuda Networks Barracuda Web Application Firewall (WAF) | 0 to 11.0.1 |
| Barracuda Networks | Barracuda Networks Barracuda Web Security Gateway (WSG) | 0 to 16.1.100.100 |
| Barracuda Networks | Barracuda Networks Barracuda Message Archiver (BMA) | 0 to 5.5.4.0 |
| Barracuda Networks | Barracuda Networks Barracuda WAF Control Center (WCC) | 0 to 2.2.1 |
References
2 linksRecord Details
- Published
- 2026-11-02
- Last updated
- 2026-11-11
- Assigner (CNA)
- Mandiant
- Credited to
- -
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