How severe is CVE-2026-1066?

CVE-2026-1066 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-1066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1066?

CVE-2026-1066 affects Kodcloud Kodbox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1066?

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

Does CVE-2026-1066 have an EU (EUVD) identifier?

Yes. CVE-2026-1066 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3128.

When was CVE-2026-1066 published?

CVE-2026-1066 was published on 2026-01-17 and last updated on 2026-06-17.

CVE-2026-1066

CVE-2026-1066 is a medium-severity vulnerability in Kodcloud Kodbox with a CVSS 3.x base score of 6.3. 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3128
Weakness: CWE-77
Affected product: Kodcloud Kodbox
Published: 2026-01-17
Last modified: 2026-06-17

Description

A vulnerability was detected in kalcaddle kodbox up to 1.61.10. This issue affects some unknown processing of the file /?explorer/index/zip of the component Compression Handler. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-1066?: A vulnerability was detected in kalcaddle kodbox up to 1.61.10. This issue affects some unknown processing of the file /?explorer/index/zip of the component Compression Handler. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-1066?: CVE-2026-1066 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-1066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1066?: CVE-2026-1066 affects Kodcloud Kodbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1066 have an EU (EUVD) identifier?: Yes. CVE-2026-1066 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3128.
When was CVE-2026-1066 published?: CVE-2026-1066 was published on 2026-01-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kodcloud:kodbox:*:*:*:*:*:*:*:*

More vulnerabilities in Kodcloud Kodbox

CVE-2023-39691 — Critical (CVSS 9.8): An issue discovered in kodbox through 1.43 allows attackers to arbitrarily add Administrator accounts via crafted GET…
CVE-2023-48028 — Critical (CVSS 9.8): kodbox 1.46.01 has a security flaw that enables user enumeration. This problem is present on the login page, where an…
CVE-2023-29790 — High (CVSS 7.5): kodbox 1.2.x through 1.3.7 has a Sensitive Information Leakage issue.
CVE-2023-6849 — High (CVSS 7.3): A vulnerability was found in kalcaddle kodbox up to 1.48. It has been rated as critical. Affected by this issue is the…
CVE-2023-6848 — High (CVSS 7.3): A vulnerability was found in kalcaddle kodbox up to 1.48. It has been declared as critical. Affected by this…
CVE-2025-10233 — Medium (CVSS 6.3): A security vulnerability has been detected in kalcaddle kodbox 1.61. This affects the function fileGet/fileSave of the…

All CVEs affecting Kodcloud Kodbox →

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…

Browse all CWE-77 (Command Injection) vulnerabilities →