CVE-2026-33281

Description

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.

PUBLISHED Reserved 2026-03-18 | Published 2026-03-23 | Updated 2026-03-24 | Assigner GitHub_M

Problem types

CWE-129: Improper Validation of Array Index

Product status

References

github.com/...s/core/security/advisories/GHSA-q669-4gmv-g8mf

cve.org (CVE-2026-33281)

nvd.nist.gov (CVE-2026-33281)

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