CVE-2026-1974
Free5GC SMF datapath.go ResolveNodeIdToIp denial of service
- State
- Published
- Severity
- 6.9 Medium
- Published
- Feb 6, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 5, 2026
Description
A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. It is recommended to apply a patch to fix this issue.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
Free5GCn/a |
|
References
- VDB-344496 | Free5GC SMF datapath.go ResolveNodeIdToIp denial of servicevdb-entrytechnical-description
- VDB-344496 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #743237 | free5gc SMF v4.1.0 Denial of Servicethird-party-advisory
- https://github.com/free5gc/free5gc/issues/816issue-tracking
- https://github.com/free5gc/free5gc/issues/816#issue-3832055233exploitissue-tracking
- https://github.com/free5gc/smf/pull/189issue-trackingpatch
- https://github.com/free5gc/free5gc/product
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