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ExploitedIn CISA KEVAwaiting NVD analysis

CVE-2026-111560

OS Command Injection in Barracuda Appliances

Exploitation confirmed. First attested on 2026-11-10 by CISA-ADP, CISA KEV.

  • Published2026-11-02
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-11-0212:59CVE publishedCNA
  2. 2026-11-0213:17CVE publishedNVD
  3. 2026-11-10Reported as exploited by ENISA (EUVD)ENISA EUVD
  4. 2026-11-10Exploitation first reportedENISA EUVD
  5. 2026-11-10Added to the CISA KEV catalogCISA KEV
  6. 2026-11-1019:50SSVC exploitation set to activeCISA-ADP

Versions per branch

Products declared by the CNA

As Mandiant, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Barracuda Networks Barracuda Email Security Gateway (ESG)other versions: not affected
    Affected
    • ≤ 9.4.0.27no fix statedcustom
  • Barracuda Networks Barracuda Load Balancer Application Delivery Controller (ADC)other versions: not affected
    Affected
    • ≤ 6.4.0no fix statedcustom
  • Barracuda Networks Barracuda Web Application Firewall (WAF)other versions: not affected
    Affected
    • ≤ 11.0.1no fix statedcustom
  • Barracuda Networks Barracuda Web Security Gateway (WSG)other versions: not affected
    Affected
    • ≤ 16.1.100.100no fix statedcustom
  • Barracuda Networks Barracuda Message Archiver (BMA)other versions: not affected
    Affected
    • ≤ 5.5.4.0no fix statedcustom
  • Barracuda Networks Barracuda WAF Control Center (WCC)other versions: not affected
    Affected
    • ≤ 2.2.1no fix statedcustom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-02

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-111560 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2026-11-10

Sources

Identifiers

Technical details

CVSS 4.0 vector
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:X/V:X/RE:X/U:X
Published
2026-11-02
Last Modified
2026-11-03
NVD status
Awaiting Analysis
GitHub Advisory
GHSA-fq98-vw8w-5vf9

Frequently asked questions

What is CVE-2026-111560?

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.

Is CVE-2026-111560 actively exploited?

Yes. CVE-2026-111560 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by the specified date.

What is the CVSS score for CVE-2026-111560?

A CVSS score has not been assigned to CVE-2026-111560 yet.

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Sources for this record