How severe is CVE-2025-15426?

CVE-2025-15426 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-15426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-15426?

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-2025-15426 have an EU (EUVD) identifier?

Yes. CVE-2025-15426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0707.

When was CVE-2025-15426 published?

CVE-2025-15426 was published on 2026-01-02 and last updated on 2026-06-17.

CVE-2025-15426

CVE-2025-15426 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-0707
Weakness: CWE-284
Published: 2026-01-02
Last modified: 2026-06-17

Description

A vulnerability was identified in jackying H-ui.admin up to 3.1. This affects an unknown function in the library /lib/webuploader/0.1.5/server/preview.php. The manipulation leads to unrestricted upload. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-15426?: A vulnerability was identified in jackying H-ui.admin up to 3.1. This affects an unknown function in the library /lib/webuploader/0.1.5/server/preview.php. The manipulation leads to unrestricted upload. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-15426?: CVE-2025-15426 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-15426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-15426?: 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-2025-15426 have an EU (EUVD) identifier?: Yes. CVE-2025-15426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0707.
When was CVE-2025-15426 published?: CVE-2025-15426 was published on 2026-01-02 and last updated on 2026-06-17.

References

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