CVE-2026-4830: medium-severity vulnerability in kalcaddle kodbox
kalcaddle kodbox Public Share userShare.class.php add privilege escalation
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.3%
A vulnerability was identified in kalcaddle kodbox 1.64. This issue affects the function Add of the file app/controller/explorer/userShare.class.php of the component Public Share Handler. Such manipulation leads to unrestricted upload. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is assessed as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
kalcaddle · kodboxRelated CVEs — kalcaddle kodbox
In the same product, most dangerous first.
CVE-2026-1066MEDIUMkalcaddle kodbox Compression zip command injectionEPSS 5.5%CVE-2026-4591MEDIUMkalcaddle kodbox fileThumb Endpoint app.php checkBin os command injectionEPSS 3.6%CVE-2026-2560MEDIUMkalcaddle kodbox Media File Preview Plugin VideoResize.class.php run os command injectionEPSS 2.6%CVE-2023-6848HIGHkalcaddle kodbox index.class.php check command injectionEPSS 2.3%CVE-2023-6849HIGHkalcaddle kodbox app.php cover server-side request forgeryEPSS 0.9%CVE-2026-4831MEDIUMkalcaddle kodbox Password-protected Share auth.class.php can improper authenticationEPSS 0.5%