CVE-2026-115188 Mautic - Unrestricted File Upload

Mautic 7 contains an unrestricted file upload vulnerability caused by improper validation of campaign archive assets in the campaign import feature, letting authenticated users with campaign import permission upload arbitrary files including server-side scripts, exploit requires authenticated user with campaign import permission.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
26 October 2026
Updated
27 October 2026
Weakness
CWE-94

Vendor fix

Update to the latest version of Mautic.

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

← All CVEs