Hackers now exploit critical Barracuda ESG flaws to gain root access
At a glance
Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
There is no written leader briefing for this story yet. The summary below says what is known so far.
Next steps
Monitor- For awareness — no fixed action deadline for this reporting
- The vulnerabilities in the Email Security Gateway (ESG) allow attackers to execute commands with root privileges.
Next steps
Monitor- No immediate technical action — track if your estate depends on the products or vendors discussed
Summary
- Hackers are exploiting two recently patched vulnerabilities in Barracuda Networks' Email Security Gateway (ESG) to gain root access, according to a cybersecurity company.
Read the original reportBleepingComputer(opens in a new tab)
Pulse
Last change 37m ago · Next recheck 11 Nov 2026, 10:21 UK time
- Story10 Nov 2026, 10:21 UK time · 37m ago
Linked reporting from BleepingComputer (independent original reporting).
Read source (BleepingComputer)
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Sources
- BleepingComputerNews
Hackers now exploit critical Barracuda ESG flaws to gain root access
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Hackers now exploit critical Barracuda ESG flaws to gain root access
- ProbableSummary fact75% confidence
Cybersecurity company Barracuda Networks warned that attackers have begun exploiting two recently patched Email Security Gateway (ESG) vulnerabilities that let them run commands with root privileges.