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Vulnerabilities

Vulnerability · CVE-2026-116606

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

Published Nov 2, 2026 · catalog updated Nov 2, 2026 · Barracuda Networks

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-116606. EPSS is 0.73%. Act only if a listed version of Barracuda Networks is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.73%
Remediation
Advisory link
Affected products
vendor Barracuda Networks

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Barracuda Networksversion unspecified

How to fix CVE-2026-116606

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-116606. EPSS is 0.73%. Act only if a listed version of Barracuda Networks is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.73%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Related records

Linked stories and findings that share CVE identifiers or explicit correlation edges.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 2, 2026 · EUVD

    Detected

    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.

Sources

  • BSI CERT-BundGovernment advisoryCVE-2026-116606

    Barracuda Networks Email Security Gateway und Web Application Firewall: Mehrere Schwachstellen

    wid.cert-bund.de
  • CVE.orgVulnerability recordCVE-2026-116606

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-116606

    30-day exploitation probability 0.73%

    first.org
  • EUVDVulnerability recordEUVD-2026-115149

    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 applian

    euvd.enisa.europa.eu
  • NCSC NetherlandsGovernment advisoryCVE-2026-116606

    Barracuda heeft kwetsbaarheden verholpen in Barracuda Email Security Gateway. Barracuda heeft twee kwetsbaarheden vastgesteld in verschillende Barracuda-producten: een kwetsbaarheid voor het omzeilen van autorisatiecontroles (CVE-2026-116606) en een kwetsbaarheid voor command inj

    advisories.ncsc.nl

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • NCSC NetherlandsNov 6, 2026
  • BSI CERT-BundNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026