CVSS 4.0
6.9 mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NCVE-2026-4531
Medium (6.9). EPSS 0.4% chance of exploitation in the next 30 days. Fixed in github.com/free5gc/amf 1.4.3-0.20260306074636-52e9386401ce.
A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service. The attack may be performed from remote. This patch is called 52e9386401ce56ea773c5aa587d4cdf7d53da799. It is best practice to apply a patch to resolve this issue.
Severity
CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
- CWE
- CWE-404
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-xq44-64rg-8g3h | Go | github.com/free5gc/amf | <1.4.3-0.20260306074636-52e9386401ce | 1.4.3-0.20260306074636-52e9386401ce |
| GO-2026-5767 | Go | github.com/free5gc/amf | <1.4.3-0.20260306074636-52e9386401ce | 1.4.3-0.20260306074636-52e9386401ce |