CVE-2026-108740 GoatCounter - Privilege Escalation

GoatCounter <= 2.7.0 contains a privilege escalation caused by mass assignment in the userPrefSave handler, letting logged-in users modify protected account fields to gain superuser or admin access, exploit requires user to be logged in.

CVSS base score 8.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.33% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Published
11 October 2026
Updated
15 October 2026
Weakness
CWE-915

Vendor fix

Update to the latest version beyond 2.7.0.

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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