How severe is CVE-2026-28683?

CVE-2026-28683 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-28683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28683?

CVE-2026-28683 affects Forceu Gokapi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28683?

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-2026-28683 have an EU (EUVD) identifier?

Yes. CVE-2026-28683 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9993.

When was CVE-2026-28683 published?

CVE-2026-28683 was published on 2026-03-06 and last updated on 2026-06-17.

CVE-2026-28683

CVE-2026-28683 is a high-severity vulnerability in Forceu Gokapi with a CVSS 3.x base score of 8.7. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9993
Weakness: CWE-79
Affected product: Forceu Gokapi
Published: 2026-03-06
Last modified: 2026-06-17

Description

Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to version 2.2.3, if a malicious authenticated user uploads SVG and creates a hotlink for it, they can achieve stored XSS. This issue has been patched in version 2.2.3.

Frequently asked questions

What is CVE-2026-28683?: Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to version 2.2.3, if a malicious authenticated user uploads SVG and creates a hotlink for it, they can achieve stored XSS. This issue has been patched in version 2.2.3.
How severe is CVE-2026-28683?: CVE-2026-28683 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-28683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28683?: CVE-2026-28683 affects Forceu Gokapi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28683?: 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-2026-28683 have an EU (EUVD) identifier?: Yes. CVE-2026-28683 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9993.
When was CVE-2026-28683 published?: CVE-2026-28683 was published on 2026-03-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:forceu:gokapi:*:*:*:*:*:*:*:*

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