CVE-2026-28673
CVE-2026-28673 is a high-severity vulnerability in Danvei233 Xiaoheifs with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-12700
- Weakness: CWE-78
- Affected product: Danvei233 Xiaoheifs
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-28673?
- 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.
- How severe is CVE-2026-28673?
- CVE-2026-28673 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-28673 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-28673?
- CVE-2026-28673 affects Danvei233 Xiaoheifs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-28673?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-28673 have an EU (EUVD) identifier?
- Yes. CVE-2026-28673 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12700.
- When was CVE-2026-28673 published?
- CVE-2026-28673 was published on 2026-03-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:danvei233:xiaoheifs:*:*:*:*:*:*:*:*
More vulnerabilities in Danvei233 Xiaoheifs
- CVE-2026-28674 — High (CVSS 7.2): xiaoheiFS is a self-hosted financial and operational system for cloud service businesses. In versions up to and…
All CVEs affecting Danvei233 Xiaoheifs →
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