Medium severity · published Aug 4, 2026
CVE-2026-18720
kalcaddle kodbox msgWarning Plugin action improper authorization
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
A flaw has been found in kalcaddle kodbox 1.67 Build 02. This vulnerability affects unknown code of the file /index.php?plugin/msgWarning/action of the component msgWarning Plugin. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been published 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:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KO
kodbox · kalcaddle
1.67 Build 02 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18720
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18720
github.com
https://github.com/sjmycz/cve/issues/4
vuldb.com
https://vuldb.com/cve/CVE-2026-18720
vuldb.com
https://vuldb.com/submit/856156
vuldb.com
https://vuldb.com/vuln/385631
vuldb.com
https://vuldb.com/vuln/385631/cti
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