Open5GS AMF/MME improper authorization
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Privilege escalation, Security bypass
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-285.
Summary
A vulnerability has been found in Open5GS 2.7.7/2.8.0. This vulnerability affects unknown code of the component AMF/MME. The manipulation leads to improper authorization. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 9468de94caed2fc940f4a23cbf734651896d0fde. To fix this issue, it is recommended to deploy a patch.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Open5GS | 2.7.7; 2.8.0 | — | No fix listed | CNA |
- Open5GS Vendor— Affected 2.7.7; 2.8.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86212
- 2026-10-03 Alias added: GHSA-hmq7-pg9j-qvf9
References
Sources
- CVE-2026-86212 · CVE Program
- CVE-2026-86212 · NVD
- FIRST EPSS
- GHSA-hmq7-pg9j-qvf9 · GitHub Advisory Database · CC BY 4.0
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