Vulnerability · Published Jan 17, 2026 · Assigned by VulDB

CVE-2026-1066kalcaddle kodbox Compression zip command injection

Medium 6.3

In plain English

A medium-severity command injection in kodbox from kalcaddle. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 5.5% (higher than 93% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)5.5%top 7.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
kalcaddle	kodbox	1.61.01.61.11.61.21.61.31.61.41.61.51.61.61.61.7

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-341665 | kalcaddle kodbox Compression zip command injection vdb-entry, technical-description
VDB-341665 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #731436 | kalcaddle kodbox <=1.61.10 Command Injection third-party-advisory
https://github.com/DReazer/CV3/blob/main/Krce.md exploit