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    CVE-2026-44474

    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.

    Published:May 27, 2026
    Last Modified:May 28, 2026
    EPS:May 27, 2026
    EPSS Score:
    CVSS Score:3.7

    Affected Products

    Vendor
    Ellanetworks
    Product
    Core

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-44473 (CVSS 7.1) — Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a radio with a valid NG Setup can send …
    CVE-2026-44475 (CVSS 6.1) — Ella Core is a 5G core designed for private networks. Prior to 1.10.0, Ella Core does not verify the UE Securi…
    CVE-2026-34762 (CVSS 2.7) — Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, the PUT /api/v1/subscriber/{imsi…
    CVE-2026-34761 (CVSS 5.8) — Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, Ella Core panics when processing…
    CVE-2026-33907 (CVSS 6.5) — Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentica…
    CVE-2026-33906 (CVSS 7.2) — Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, the NetworkManager role was gran…
    CVE-2026-33904 (CVSS 6.5) — Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, a deadlock in the AMF's SCTP not…
    CVE-2026-33903 (CVSS 6.5) — Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a speciall…
    CVE-2026-33283 (CVSS 6.5) — Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing malformed …
    CVE-2026-33282 (CVSS 7.5) — Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing a malforme…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High