CVE-2026-28673: xiaoheiFS is a self-hosted financial and operational system for cloud service businesses

Q: How do I fix CVE-2026-28673?

xiaoheifs: upgrade to 0.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-28673 being exploited?

CVE-2026-28673 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-28673 affect?

CVE-2026-28673 affects xiaoheifs. Severity is high (CVSS 7.2). 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 s

Q: How urgent is CVE-2026-28673?

Priority 43/100. High severity; Public exploit reference

This month

HIGH 7.2UPGRADE

CVE-2026-28673 is a high-severity flaw (CVSS 7.2) affecting xiaoheifs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-78, CWE-434
Published	2026-03-18
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: danvei233

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-18 01:16 UTCPublished CVE record published
2026-06-17 10:28 UTCUpdated Record last modified

danvei233 xiaoheifs UPGRADE

Affected: < 0.4.0

Fixed in: 0.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xiaoheifs || rpm -q xiaoheifs || xiaoheifs --version

2. UPGRADE to 0.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xiaoheifs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xiaoheifs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-28673?

xiaoheifs: upgrade to 0.4.0. Exact commands for each OS are on this page.

Is CVE-2026-28673 being exploited?

CVE-2026-28673 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-28673 affect?

CVE-2026-28673 affects xiaoheifs. Severity is high (CVSS 7.2). 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 s

How urgent is CVE-2026-28673?

Priority 43/100. High severity; Public exploit reference

Related CVEs

CVE-2026-28674 HIGH 7.2 UPGRADE xiaoheiFS is a self-hosted financial and operational system for cloud service businesses

References

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