CVE-2026-2524
Open5GS MME mme_s11_handle_create_session_response denial of service
- State
- Published
- Severity
- 6.9 Medium
- Published
- Feb 16, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 15, 2026
Description
A flaw has been found in Open5GS 2.7.6. The impacted element is the function mme_s11_handle_create_session_response of the component MME. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
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:X/RC:R | 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:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-346112 | Open5GS MME mme_s11_handle_create_session_response denial of servicevdb-entrytechnical-description
- VDB-346112 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #738369 | Open5GS MME v2.7.6 Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/4284issue-tracking
- https://github.com/open5gs/open5gs/issues/4284#issue-3808462406exploitissue-tracking
- https://github.com/open5gs/open5gs/product
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