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TI-2026-24848 Aliases CVE-2026-32320GHSA-j478-p7vq-3347

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

Priority LOW 32CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-125 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00202 10th percentileScored 2026-11-07
Fix Fixed core (ellanetworks): 1.5.1github.com/ellanetworks/core (Go): 1.5.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ellanetworkscorebefore 1.5.11.5.1Patch availableCNA
—github.com/ellanetworks/core (Go)before 1.5.11.5.1Patch availableGHSA-j478-p7vq-3347
  • core Vendorellanetworks Affected before 1.5.1 Fixed in 1.5.1 Patch available CNA
  • github.com/ellanetworks/core (Go) Vendor— Affected before 1.5.1 Fixed in 1.5.1 Patch available GHSA-j478-p7vq-3347

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ellanetworks:ella_core:*:*:*:*:*:*:*:*before 1.5.1Vulnerableellanetworks
  • cpe:2.3:a:ellanetworks:ella_core:*:*:*:*:*:*:*:* Versions before 1.5.1 Vulnerable ·ellanetworks

Remediation

  • Fix · CNA core (ellanetworks) Fixed in 1.5.1
  • Fix · GHSA-j478-p7vq-3347 github.com/ellanetworks/core (Go) Fixed in 1.5.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-32320
  2. 2026-10-03 Alias added: GHSA-j478-p7vq-3347

References

Advisory 2

Other 3

  • TI-2026-24847 Ella Core: Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload CVSS 3.1HIGH 7.5
  • TI-2026-26264 Ella Core has Privilege Escalation via Database Restore by NetworkManager role CVSS 3.1HIGH 7.2
  • TI-2026-25694 Ella Core panics on malformed ULNASTransport Message without a Request Type CVSS 3.1HIGH 7.5
  • TI-2026-25693 Ella Core panics on malformed NGAP Location Report CVSS 3.1HIGH 7.5
  • TI-2026-25692 Ella Core panics on invalid PDU Session IDs in NGAP messages CVSS 3.1HIGH 7.5
  • TI-2026-27005 Ella Core Panics Upon NGAP handover failure CVSS 3.1MEDIUM 6.5
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences