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Vulnerability record · CVE-2026-111560 · published 2 November 2026

CVE-2026-111560: Barracuda Networks Multiple Products OS Command Injection Vulnerability

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.

8.6 CVSS 4.0 High CISA KEV since 10 Nov 2026 EPSS 6.2% · top 6.4% CWE-78 · OS command injection Undergoing Analysis
8.6CVSS 4.0 base score
6.2%EPSS exploitation probability, 30 days
YesIn CISA KEV, federal fix due in 0 days
0Affected product versions listed by NVD
3References
11 Nov 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Exploitation in the wild

CISA added CVE-2026-111560 to the Known Exploited Vulnerabilities catalog on 10 November 2026 as "Barracuda Networks Multiple Products OS Command Injection Vulnerability". 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. Federal deadline 13 November 2026.

References

LinkTags
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0041.md
https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injection
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-111560

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Source: NIST National Vulnerability Database (record CVE-2026-111560), CISA KEV, FIRST EPSS (scores of 2026-11-11). This page is refreshed as NVD updates the record.