CVE-2026-116606 in barracuda email security gateway 300 firmware
LogPulse has a published detection rule for this CVE: it raises a notable when someone tries to exploit it.
What the vulnerability is
An authentication bypass in Barracuda Email Security Gateway versions earlier than 9.4.0.030 allows an unauthenticated remote attacker to invoke a configuration-import function and restore a crafted, compatible backup archive, resulting in unauthorized modification of the appliance’s global configuration.
Affected software: barracuda email security gateway 300 firmware, barracuda email security gateway 400 firmware, barracuda email security gateway 600 firmware, barracuda email security gateway 800 firmware, barracuda email security gateway 900 firmware
Scores
- CVSS: 9.3 (critical)
- EPSS: 8.93% chance of exploitation in the next 30 days
- CISA KEV: Known exploited, listed 2026-11-10
- Published: 2026-11-02
What LogPulse has for it
- Detection rule: Yes, published
- Agent check (vulnerable version): No
- Mitigation: No
In the news
2 publications wrote about this CVE in the last 14 days, most recently on 2026-11-10.
- CISA Adds Six Known Exploited Vulnerabilities to Catalog (CISA advisories, 2026-11-10)
- Barracuda Networks is your new best friend (Barracuda Email Security Gateway Pre-Auth Remote Root RCE CVE-2026-116606 / CVE-2026-111560) (watchTowr Labs, 2026-11-05)
Source data: NIST NVD, CISA KEV and FIRST EPSS. LogPulse processes new CVEs every hour.
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