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Description

eNet SMART HOME server 2.2.1 and 2.3.1 contains a privilege escalation vulnerability due to insufficient authorization checks in the setUserGroup JSON-RPC method. A low-privileged user (UG_USER) can send a crafted POST request to /jsonrpc/management specifying their own username to elevate their account to the UG_ADMIN group, bypassing intended access controls and gaining administrative capabilities such as modifying device configurations, network settings, and other smart home system functions.

PUBLISHED Reserved 2026-02-15 | Published 2026-02-15 | Updated 2026-02-15 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Improper Privilege Management

Product status

2.3.1 (46841)
affected

2.2.1 (46056)
affected

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab finder

References

www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5975.php (ZeroScience Vulnerability Advisory ZSL-2026-5975) third-party-advisory

www.vulncheck.com/...mart-home-server-privilege-escalation-v (VulnCheck Advisory: JUNG eNet SMART HOME server 2.2.1/2.3.1 Privilege Escalation via setUserGroup) third-party-advisory

cve.org (CVE-2026-26369)

nvd.nist.gov (CVE-2026-26369)

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