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CVE-2026-44475

Ella Core: UE Security Capability bypass on NGAP PathSwitchRequest

Ella Core is a 5G core designed for private networks. Prior to 1.10.0, Ella Core does not verify the UE Security Capabilities received in NGAP PathSwitchRequest messages against its locally stored values. A malicious gNB can overwrite Ella Core's stored UE security capabilities for any UE with arbitrary values by sending a single crafted PathSwitchRequest. This vulnerability is fixed in 1.10.0.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core
CVE-2026-44473

Ella Core: UE Downlink Redirection via Forged PDUSessionResourceSetupResponse

Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a radio with a valid NG Setup can send a forged PDUSessionResourceSetupResponse carrying any UE's AMF-UE-NGAP-ID. Ella Core does not verify the message arrived on the SCTP association bound to that UE's logical NG-connection, then creates a GTP tunnel towards that radio. This vulnerability is fixed in 1.10.0.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core
CVE-2026-44474

Ella Core: Handover failures during concurrent Security Mode Command

Ella Core is a 5G core designed for private networks. Prior to 1.10.0, Ella Core didn't enforce security rules on concurrent running of security procedures defined in TS 33.501 §6.9.5.1 — it could send a NAS Security Mode Command while an N2 handover was still pending (and vice versa). Concurrent Security Mode Command and N2 handover produce a KgNB mismatch between the UE and target gNB, causing the handover to fail. Requires a stalled gNB + re-registration race to trigger. This vulnerability is fixed in 1.10.0.

CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core
CVE-2026-33906

Ella Core has Privilege Escalation via Database Restore by NetworkManager role

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.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-33904

Ella Core has a Denial of Service via SCTP connection cleanup deadlock

Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, a deadlock in the AMF's SCTP notification handler causes the entire AMF control plane to hang until the process is restarted. An attacker with access to the N2 interface can cause Ella Core to hang, resulting in a denial of service for all subscribers. Version 1.7.0 adds deferred Radio cleanup in serveConn SCTP server so that every connection exit path removes the radio. Remove the stale-entry scan from SCTP Notification handling.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-33907

Ella Core Panics during NAS Authentication Response/Failure with missing IEs

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.7.0 added IE presence verification to NAS message handling.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-33903

Ella Core panics when processing a crafted NGAP LocationReport message

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. Version 1.7.0 adds guards in NGAP Location Report handler.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-34761

Ella Core Panics Upon NGAP handover failure

Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, Ella Core panics when processing a NGAP handover failure message. An attacker able to cause a gNodeB to send NGAP handover failure messages to Ella Core can crash the process, causing service disruption for all connected subscribers. This issue has been patched in version 1.8.0.

CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-34762

Ella Core Has Audit Log Falsification via Path/Body IMSI Mismatch in UpdateSubscriber

Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, the PUT /api/v1/subscriber/{imsi} API accepts an IMSI identifier from both the URL path and the JSON request body but never verifies they match. This allows an authenticated NetworkManager to modify any subscriber's policy while the audit trail records a fabricated or unrelated subscriber IMSI. This issue has been patched in version 1.8.0.

CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-33281

Ella Core panics on invalid PDU Session IDs in NGAP messages

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing NGAP messages with invalid PDU Session IDs outside of 1-15. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.6.0 added PDU Session ID validations during NGAP message handling.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-33282

Ella Core panics on malformed NGAP Location Report

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing a malformed NGAP LocationReport message with `ue-presence-in-area-of-interest` event type and omitting the optional `UEPresenceInAreaOfInterestList` IE. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.6.0 added IE presence verification to NGAP message handling.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-33283

Ella Core panics on malformed ULNASTransport Message without a Request Type

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing malformed UL NAS Transport NAS messages without a Request Type. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.6.0 adds a guard when receiving an UL NAS Message without a Request Type given no SM Context.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-32319

Ella Core: Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload

Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. This vulnerability is fixed in 1.5.1.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core
CVE-2026-32320

Ella Core: AMF DoS via malformed PathSwitchRequest with empty NR security capability bitstrings

Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a PathSwitchRequest containing UE Security Capabilities with zero-length NR encryption or integrity protection algorithm bitstrings, resulting in a denial of service. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. This vulnerability is fixed in 1.5.1.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Ellanetworks
Products
Core Ella Core