CVE-2026-84832

8.6 highEPSS 0.6%

High (8.6). EPSS 0.6% chance of exploitation in the next 30 days.

SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged REST import workflow without adequate validation. An attacker with a privileged API token can execute arbitrary commands with "nobody" privileges.

Severity

CVSS 4.0

8.6 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWEs: CWE-78, CWE-502
Published: 2026-09-03
Modified: 2026-09-04
Record from: the NVD, synced 2026-10-19

References

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html

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