Public vulnerability disclosure
CVE-2026-111560
OS Command Injection in Barracuda Appliances
publishedCWE-78
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.
Technical severity8.6 highCVSS 4.0 · CNA: Mandiant
Published2026-11-02Source updated 2026-11-02
Collected2026-11-021 attributed source
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Barracuda Email Security Gateway (ESG) Barracuda Networks |
≥ 0; ≤ 9.4.0.27 (affected, custom)
Other versions: unaffected |
CNA: Mandiant |
| Barracuda Load Balancer Application Delivery Controller (ADC) Barracuda Networks |
≥ 0; ≤ 6.4.0 (affected, custom)
Other versions: unaffected |
CNA: Mandiant |
| Barracuda Web Application Firewall (WAF) Barracuda Networks |
≥ 0; ≤ 11.0.1 (affected, custom)
Other versions: unaffected |
CNA: Mandiant |
| Barracuda Web Security Gateway (WSG) Barracuda Networks |
≥ 0; ≤ 16.1.100.100 (affected, custom)
Other versions: unaffected |
CNA: Mandiant |
| Barracuda Message Archiver (BMA) Barracuda Networks |
≥ 0; ≤ 5.5.4.0 (affected, custom)
Other versions: unaffected |
CNA: Mandiant |
| Barracuda WAF Control Center (WCC) Barracuda Networks |
≥ 0; ≤ 2.2.1 (affected, custom)
Other versions: unaffected |
CNA: Mandiant |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 8.6 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CNA: Mandiant |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0041.mdCNA: Mandiant · third-party-advisory
- https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injectionCNA: Mandiant · vendor-advisory