CVE-2026-44321
high
CVSS v3
7.5
CVSS v2
—
VIR risk
7.5
Description
free5GC's SMF UPI POST /upi/v1/upNodesLinks exits the SMF process on overlapping UE pools (unauthenticated, reachable Fatalf)
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/free5gc/smf | <=1.4.3 | |
| GO | github.com/free5gc/smf | <= 1.4.3 | |
References
- https://github.com/free5gc/free5gc/security/advisories/GHSA-44qj-cghf-9p97
- https://github.com/free5gc/free5gc/issues/906
- https://github.com/free5gc/smf/pull/203
- https://github.com/free5gc/smf/commit/e0974e07ddab44a67d36a563cca383b2449e33e5
- https://github.com/free5gc/free5gc
- https://github.com/advisories/GHSA-44qj-cghf-9p97
CWEs
CWE-306 CWE-617 CWE-862
Verify integrity in audit chain (admin only). AS-IS.