GoatCounter through 2.7.0 contains a mass assignment privilege escalation vulnerability in the userPrefSave handler that allows logged-in users to modify protected account fields via form-encoded requests. Attackers with read-only access can POST user.access[all]=* and user.email_verified=true to /user/pref, bypassing readonly tags to gain superuser or admin access.
History

Tue, 13 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Arp242
Arp242 goatcounter
Vendors & Products Arp242
Arp242 goatcounter

Sun, 11 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description GoatCounter through 2.7.0 contains a mass assignment privilege escalation vulnerability in the userPrefSave handler that allows logged-in users to modify protected account fields via form-encoded requests. Attackers with read-only access can POST user.access[all]=* and user.email_verified=true to /user/pref, bypassing readonly tags to gain superuser or admin access.
Title GoatCounter through 2.7.0 Privilege Escalation via /user/pref Mass Assignment
Weaknesses CWE-915
References
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H'}

cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-11T12:19:44.911Z

Updated: 2026-10-13T13:28:05.697Z

Reserved: 2026-10-11T01:52:55.041Z

Link: CVE-2026-108740

cve-icon Vulnrichment

Updated: 2026-10-13T13:26:24.856Z

cve-icon NVD

Status : Deferred

Published: 2026-10-11T13:17:18.527

Modified: 2026-10-16T19:18:44.867

Link: CVE-2026-108740

cve-icon Redhat

No data.