Vulnerability
CVE-2026-111560
Barracuda Email Security Gateway: authenticated OS command injection
Most severe levelDEFCON 4 · Moderate risk
Official data
- CVSS 3.1
- 7.2 · high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- EPSS
- 9.08% estimated probability of new attacks in the next 30 days, higher than 95% of CVEs. It is already exploited: according to FIRST, the KEV catalogue takes precedence over the estimate.
- CISA KEV catalogue
- Yes, since 10 November 2026
Sources: NVD (CVSS, weakness, publication), FIRST (EPSS), CISA (KEV catalogue).
Data read on 15 November 2026.
Timeline
- 2 November 2026Published on NVD
- 9 November 2026First in the DefenceLevel briefing
- 10 November 2026Added to the CISA KEV catalogue
In DefenceLevel briefings3 days
- 13 November 2026Other exploited vulnerabilitiesDEFCON 4
- 11 November 2026New in the last 24 hoursDEFCON 4
- 9 November 2026New in the last 24 hoursDEFCON 5
Last 12 months.
The full analysis is in the briefingThe full analysis is in your archive
Why it matters now, who is affected and what to do: every day at 05:00 UTC, for subscribers.Why it matters, who is affected and what to do, as in the daily briefing.
More exploited Barracuda Networks vulnerabilities