Reading the vendor advisory
Black Shard's team can check your exposure to CVE-2026-116606 and take the fix off your plate.
Barracuda Networks Email Security Gateway (ESG) contains an authentication bypass using an alternate path or channel that could allow 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. This vulnerability can be chained with CVE-2026-111560.
Black Shard's team can check your exposure, take a fix off your plate or step in on a live incident.
Chance of exploitation in the next 30 days
8.9%
EPSS score from FIRST
Updated 13 Nov 2026, 12:04 UTC, 31 of 36 sources answering.
CISA Known Exploited Vulnerabilities, NVD, CVE.org, CIRCL Vulnerability-Lookup, GitHub Advisory Database (CC BY 4.0), OSV (CC BY 4.0), RansomLook (CC BY 4.0, enriched by Black Shard), SEC EDGAR, HHS breach portal, Have I Been Pwned (CC BY 4.0), Texas Attorney General, California Attorney General, Delaware Department of Justice, Vermont Attorney General, GDELT Project, Cloudflare status, abuse.ch SSLBL (CC0), CISA ICS advisories, NCSC UK (OGL v3.0), CERT-EU (CC BY 4.0), NCSC New Zealand (CC BY 4.0), MISP galaxy (CC0), OAIC determinations (CC BY 4.0), abuse.ch Feodo Tracker (CC0), Spamhaus DROP (Spamhaus DROP terms), blocklist.de, CINS Army, CERT-FR (Licence Ouverte 2.0), Red Hat Security Data (CC BY 4.0), ENISA EUVD, Microsoft MSRC, JVN iPedia, FIRST EPSS, IODA, GeoNames (CC BY 4.0), Natural Earth, Wikidata, Regional Internet Registries (delegation statistics), Protomaps, OpenStreetMap contributors (ODbL), NASA GIBS. Items link to their sources, except leak-site claims, which are never linked. This product uses the NVD API but is not endorsed or certified by the NVD.
Built on open-source software under the MIT licence. Map data from Natural Earth, NASA GIBS, Protomaps and OpenStreetMap contributors.
© 2026 Black Shard Pty LtdABN 66 696 910 773