VDB
CVE-2026-116606
CVE-2026-116606
PUBLISHED
CVSS 9.3 CRITICAL
Reported by mandiant · Published November 2, 2026
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Barracuda Email Security Gateway (ESG) | Barracuda Networks | 9.4.0.030 |
Risk scores
CVSS 4.0
9.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Barracuda Networks | Barracuda Email Security Gateway (ESG) | 0 |
| Barracuda Networks | Barracuda Email Security Gateway (ESG) | 0 |
Timeline
- Nov 2, 2026 Coalition ESS Score
- Nov 2, 2026 CVE Published
- Nov 3, 2026 EPSS Score
- Nov 3, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-116606
vulnetix vdb fixes CVE-2026-116606Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-116606/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart