Read the docs
TI-2026-27005 Aliases CVE-2026-34761GHSA-6gm8-3g4h-w82m

Ella Core Panics Upon NGAP handover failure

Priority LOW 29CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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-476.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00329 26th percentileScored 2026-11-07
Fix Fixed core (ellanetworks): 1.8.0github.com/ellanetworks/core (Go): 1.8.0

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 1.8.01.8.0Patch availableCNA
—github.com/ellanetworks/core (Go)before 1.8.01.8.0Patch availableGHSA-6gm8-3g4h-w82m
  • core Vendorellanetworks Affected before 1.8.0 Fixed in 1.8.0 Patch available CNA
  • github.com/ellanetworks/core (Go) Vendor— Affected before 1.8.0 Fixed in 1.8.0 Patch available GHSA-6gm8-3g4h-w82m

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ellanetworks:ella_core:*:*:*:*:*:*:*:*before 1.8.0Vulnerableellanetworks
  • cpe:2.3:a:ellanetworks:ella_core:*:*:*:*:*:*:*:* Versions before 1.8.0 Vulnerable ·ellanetworks

Remediation

  • Fix · CNA core (ellanetworks) Fixed in 1.8.0
  • Fix · GHSA-6gm8-3g4h-w82m github.com/ellanetworks/core (Go) Fixed in 1.8.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34761
  2. 2026-10-03 Alias added: GHSA-6gm8-3g4h-w82m

References

  • 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-2026-24848 Ella Core: AMF DoS via malformed PathSwitchRequest with empty NR security capability bitstrings CVSS 3.1HIGH 7.5
See all 10 →

Sources