How severe is CVE-2026-26369?

CVE-2026-26369 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26369 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26369?

CVE-2026-26369 primarily affects Jung-group Enet Smart Home. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-26369?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-26369 have an EU (EUVD) identifier?

Yes. CVE-2026-26369 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6140.

When was CVE-2026-26369 published?

CVE-2026-26369 was published on 2026-02-15 and last updated on 2026-06-17.

CVE-2026-26369

CVE-2026-26369 is a critical-severity vulnerability in Jung-group Enet Smart Home with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6140
Weakness: CWE-269
Affected product: Jung-group Enet Smart Home
Published: 2026-02-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-26369?: 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.
How severe is CVE-2026-26369?: CVE-2026-26369 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26369 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26369?: CVE-2026-26369 primarily affects Jung-group Enet Smart Home. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-26369?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-26369 have an EU (EUVD) identifier?: Yes. CVE-2026-26369 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6140.
When was CVE-2026-26369 published?: CVE-2026-26369 was published on 2026-02-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:jung-group:enet_smart_home:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:jung-group:enet_smart_home:2.3.1:*:*:*:*:*:*:*

More vulnerabilities in Jung-group Enet Smart Home

CVE-2026-26366 — Critical (CVSS 9.8): eNet SMART HOME server 2.2.1 and 2.3.1 ships with default credentials (user:user, admin:admin) that remain active after…
CVE-2026-26368 — High (CVSS 8.8): eNet SMART HOME server 2.2.1 and 2.3.1 contains a missing authorization vulnerability in the resetUserPassword JSON-RPC…
CVE-2026-26367 — High (CVSS 8.1): eNet SMART HOME server 2.2.1 and 2.3.1 contains a missing authorization vulnerability in the deleteUserAccount JSON-RPC…

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