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High severity · published Jan 17, 2026
CVE-2026-1066
kalcaddle kodbox Compression zip command injection
8.8
CVSS
5.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.5% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KO
kodbox · kalcaddle
1.61.0; 1.61.1; 1.61.2; 1.61.3; 1.61.4; 1.61.5; +5 more · source: vendor, NVD
Affected product
KO
kodbox
kalcaddle
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1066
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1066
Third Party Advisory
https://github.com/DReazer/CV3/blob/main/Krce.md
Permissions Required
https://vuldb.com/?ctiid.341665
Third Party Advisory
https://vuldb.com/?id.341665
Third Party Advisory
https://vuldb.com/?submit.731436
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