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CVE-2026-111560

OS Command Injection in Barracuda Appliances

CVSS score

8.6

EPSS probability

—

Risk score

0.9

Published

2 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

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Vulnerability description

DayBreach AI Explanation

Verified against sources

OS Command Injection Vulnerability in Barracuda Appliances

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

Improper neutralization of shell metacharacters in the timezone configuration field in certain Barracuda appliance products allows an authenticated administrator to inject OS commands.

Why does it matter?

It compromises device security by permitting an authenticated administrator to execute commands with root privileges when a crafted timezone value is processed.

What should be done?

  • Follow vendor security advisories
  • Review official updates regarding patch status
  • Tighten administrative access controls
Chain of evidence and sources2 verified claims

Kimliği doğrulanmış bir yönetici, saat dilimi yapılandırma alanındaki zafiyeti kullanarak root yetkileri ile komut yürütebilir.

S0 · daybreach-canonicalS1 · cvelist

Resmî kaynaklardaki yama durumu şu anda bilinmemektedir.

S0 · daybreach-canonical
Show the technical text from the sources

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 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

CWE: CWE-78

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-111560 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Barracuda NetworksBarracuda Email Security Gateway (ESG) View
2Barracuda NetworksBarracuda Load Balancer Application Delivery Controller (ADC) View
3Barracuda NetworksBarracuda Web Application Firewall (WAF) View
4Barracuda NetworksBarracuda Web Security Gateway (WSG) View
5Barracuda NetworksBarracuda Message Archiver (BMA) View
6Barracuda NetworksBarracuda WAF Control Center (WCC) View
Total affected vendors: 1|Products: 6

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
8.6CVSS V4_0HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NCVE CNA
8.6CVSS V40HIGHCVSS: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:XNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-111560 is associated with the following CWEs:

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-111560 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsHigh
UserGerekmiyor

Official Sources and Advisories

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0041.mdvendor-advisoryhttps://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injectionvendor-advisory

CVSS Vector Radar Chart

8.6 / 10
Attack VectorNetworkComplexityLowPrivilegesHighUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

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Follow the vendor

BN
Barracuda Networks logo
Barracuda Networks

Weakness Type (CWE & CAPEC)

CWE-78

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CVE-2026-111560 · OS Command Injection in Barracuda Appliances