NULL pointer dereference in Ellanetworks Core
CVE-2026-34761
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Ellanetworks Core — versions < 1.8.0
- Ellanetworks Ella Core
Weakness classification (CWE)
References
- github.com/ellanetworks/core/security/advisories/GHSA-6gm8-3g4h-w82m (Vendor Advisory)
- github.com/ellanetworks/core/releases/tag/v1.8.0 (Release Notes)
Frequently asked questions
- What is CVE-2026-34761?
- CVE-2026-34761 is a medium-severity vulnerability in Ellanetworks Core, classified under NULL Pointer Dereference. CVSS score: 5.8/10. Published 2026-04-02.
- How severe is CVE-2026-34761?
- Medium severity. CVSS v3 base score is 5.8 out of 10.