CVE-2026-114624 baserCMS - Remote Code Execution

baserCMS 5.0.0 before 5.3.2 and 5.4.0 before 5.4.2 contains an insecure deserialization caused by unsafe unserialize() of admin JSON API widget-area data, letting administrators or attackers with widget-write capability execute commands as the web-server user, exploit requires privileged payload storage.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.92% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
23 October 2026
Updated
25 October 2026
Weakness
CWE-502

Vendor fix

Upgrade to versions 5.3.2 or 5.4.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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