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Apexward Pulse
Type Vulnerability

Auth bypass

Barracuda ESG Authentication Bypass Flaw Opens Path to Root

1 source

At a glance

Low
30-day window, from the last update
Evidence-weighted, not popularity
Why Low

Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.

Briefing

  • Business leaders should assess whether their organisation uses Barracuda Email Security Gateway appliances and consider the potential risk of unauthorised access through this vulnerability.

Next steps

  1. Confirm whether this affects systems or suppliers in your estate

Summary

  • A security flaw in Barracuda's Email Security Gateway appliances allows an authentication bypass and command injection that could lead to root access.
  • The issue involves a combination of an authentication bypass and a command injection vulnerability that could be exploited to gain root access on affected appliances.

Read the original reportSecurityWeek(opens in a new tab)

7 reports

Part of Multiple authentication bypass vulnerabilities disclosed

All 7 reports in this story

Pulse

Last change 4d ago · Recheck overdue since 5 Nov 2026, 15:24 UK time

  1. Story4 Nov 2026, 15:24 UK time · 4d ago

    Linked reporting from SecurityWeek (independent original reporting).

    Read source (SecurityWeek)

1 entry so far. The timeline chart appears once this story has more history.

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ClaimedHeadline60% confidence

    Barracuda ESG Authentication Bypass Flaw Opens Path to Root

  • ProbableSummary fact75% confidence

    An authentication bypass and a command injection flaw can be chained for root access on Barracuda’s Email Security Gateway appliances. The post Barracuda ESG Authentication Bypass Flaw Opens Path to Root appeared first on SecurityWeek. Barracuda ESG Authentication Bypass Flaw Opens Path to Root This website stores cookies on your computer.