How severe is CVE-2026-33906?

CVE-2026-33906 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-33906 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33906?

CVE-2026-33906 affects Ellanetworks Ella Core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33906?

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

Does CVE-2026-33906 have an EU (EUVD) identifier?

Yes. CVE-2026-33906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16843.

When was CVE-2026-33906 published?

CVE-2026-33906 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-33906

CVE-2026-33906 is a high-severity vulnerability in Ellanetworks Ella Core with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16843
Weakness: CWE-269
Affected product: Ellanetworks Ella Core
Published: 2026-03-27
Last modified: 2026-06-17

Description

Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, the NetworkManager role was granted backup and restore permission. The restore endpoint accepted any valid SQLite file without verifying its contents. A NetworkManager could replace the production database with a tampered copy to escalate to Admin, gaining access to user management, audit logs, debug endpoints, and operator identity configuration that the role was explicitly denied. In version 1.7.0, backup and restore permissions have been removed from the NetworkManager role.

Frequently asked questions

What is CVE-2026-33906?: Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, the NetworkManager role was granted backup and restore permission. The restore endpoint accepted any valid SQLite file without verifying its contents. A NetworkManager could replace the production database with a tampered copy to escalate to Admin, gaining access to user management, audit logs, debug endpoints, and operator identity configuration that the role was explicitly denied. In version 1.7.0, backup and restore permissions have been removed from the NetworkManager role.
How severe is CVE-2026-33906?: CVE-2026-33906 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-33906 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33906?: CVE-2026-33906 affects Ellanetworks Ella Core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33906?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33906 have an EU (EUVD) identifier?: Yes. CVE-2026-33906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16843.
When was CVE-2026-33906 published?: CVE-2026-33906 was published on 2026-03-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ellanetworks:ella_core:*:*:*:*:*:*:*:*

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