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CVE-2026-28673

Danvei233 Xiaoheifs remote code execution

7.2 HIGHPublic exploitEPSS 0.86%
  1. Published18 Mar 2026

Description

xiaoheiFS is a self-hosted financial and operational system for cloud service businesses. In versions up to and including 0.3.15, the standard plugin system allows admins to upload a ZIP file containing a binary and a `manifest.json`. The server trusts the `binaries` field in the manifest and executes the specified file without any validation of its contents or behavior, leading to Remote Code Execution (RCE). Version 0.4.0 fixes the issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Danvei233 Xiaoheifs< 0.4.0

Remediation

Fixed in
Danvei233 Xiaoheifs≥ 0.4.0

References

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Frequently asked

Is CVE-2026-28673 being actively exploited?

CVE-2026-28673 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.86%.

How severe is CVE-2026-28673?

CVE-2026-28673 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 0.86% probability of exploitation.

Which products are affected by CVE-2026-28673?

Affected products include Danvei233 Xiaoheifs.

How do I fix CVE-2026-28673?

Upgrade affected software to a fixed version, for example Danvei233 Xiaoheifs 0.4.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-28673 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.