Open5GS up to 2.7.7 AMF src/amf/nnrf-handler.c amf_nnrf_handle_nf_discover denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.9 | $0-$5k | 1.80+ |
Summary
A vulnerability marked as problematic has been reported in Open5GS up to 2.7.7. Affected by this issue is the function amf_nnrf_handle_nf_discover of the file src/amf/nnrf-handler.c of the component AMF. This manipulation causes denial of service.
This vulnerability is registered as CVE-2026-14618. Remote exploitation of the attack is possible. Furthermore, an exploit is available.
It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Open5GS up to 2.7.7. It has been declared as problematic. Affected by this vulnerability is the function amf_nnrf_handle_nf_discover of the file src/amf/nnrf-handler.c of the component AMF. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.
It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-14618. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
Applying the patch fb5f67703de0213fb9c6e6ef3b48b6c1707e9503 is able to eliminate this problem. The bugfix is ready for download at github.com.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
License
Website
- Product: https://github.com/open5gs/open5gs/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 3.9
VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: fb5f67703de0213fb9c6e6ef3b48b6c1707e9503
Timeline
07/03/2026 Advisory disclosed07/03/2026 VulDB entry created
07/03/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 4517
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2026-14618 (🔒)
GCVE (CVE): GCVE-0-2026-14618
GCVE (VulDB): GCVE-100-376135
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/03/2026 18:41Changes: 07/03/2026 18:41 (60)
Complete: 🔍
Submitter: insengen
Cache ID: 216::103
Submit
Accepted
- Submit #844824: Open5GS 2.7.7 Denial of Service (by insengen)
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.