How severe is CVE-2026-9774?

CVE-2026-9774 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-9774 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-9774?

CVE-2026-9774 affects Aten Unizon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-9774?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-9774 have an EU (EUVD) identifier?

Yes. CVE-2026-9774 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39112.

When was CVE-2026-9774 published?

CVE-2026-9774 was published on 2026-06-24 and last updated on 2026-06-27.

CVE-2026-9774

CVE-2026-9774 is a medium-severity vulnerability in Aten Unizon with a CVSS 3.x base score of 6.5. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39112
Weakness: CWE-22
Affected product: Aten Unizon
Published: 2026-06-24
Last modified: 2026-06-27

Description

ATEN Unizon updateLicense Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability. The specific flaw exists within the updateLicense method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files or create a denial-of-service condition on the system. Was ZDI-CAN-28502.

Frequently asked questions

What is CVE-2026-9774?: ATEN Unizon updateLicense Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability. The specific flaw exists within the updateLicense method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files or create a denial-of-service condition on the system. Was ZDI-CAN-28502.
How severe is CVE-2026-9774?: CVE-2026-9774 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-9774 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-9774?: CVE-2026-9774 affects Aten Unizon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-9774?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9774 have an EU (EUVD) identifier?: Yes. CVE-2026-9774 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39112.
When was CVE-2026-9774 published?: CVE-2026-9774 was published on 2026-06-24 and last updated on 2026-06-27.

References

Affected products (1)

cpe:2.3:a:aten:unizon:*:*:*:*:*:*:*:*

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