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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| SEPPmail AG | SEPPmail Secure Email Gateway (SEG) | unaffected |
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Project Subscriptions
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Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html |
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History
Thu, 03 Sep 2026 09:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Unsafe deserialization in the REST interface | |
| Weaknesses | CWE-502 CWE-78 |
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| References |
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| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: NCSC.ch
Published:
Updated: 2026-09-03T08:45:08.108Z
Reserved: 2026-09-02T11:31:39.643Z
Link: CVE-2026-84832
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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