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Vulnerabilities CVE-2026-29002

CVE-2026-29002

High
Open
TLP:CLEAR

CouchCMS Privilege Escalation via f_k_levels_list Parameter

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Description

CouchCMS contains a privilege escalation vulnerability that allows authenticated Admin-level users to create SuperAdmin accounts by tampering with the f_k_levels_list parameter in user creation requests. Attackers can modify the parameter value from 4 to 10 in the HTTP request body to bypass authorization validation and gain full application control, circumventing restrictions on SuperAdmin account creation and privilege assignment.

Details

CVSS Score
8.6
EPSS Score
0.43%

35.3th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Apr 10, 2026
Last Modified
Jul 14, 2026
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