SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-7864

SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endpoint in the new GINA UI, allowing remote attackers to obtain sensitive system information.

MEDIUM 6.9EPSS 17.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 17.0%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endpoint in the new GINA UI, allowing remote attackers to obtain sensitive system information.

CVSS 4.0
6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
17.02% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-497
Source
vulnerability@ncsc.ch

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.