High severity · published Feb 16, 2026
CVE-2026-2524
Open5GS MME mme_s11_handle_create_session_response denial of service
7.5
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5GS · Open5gs
2.7.6 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2524
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2524
Product
https://github.com/open5gs/open5gs/
Exploit
https://github.com/open5gs/open5gs/issues/4284
Exploit
https://github.com/open5gs/open5gs/issues/4284#issue-3808462406
Permissions Required
https://vuldb.com/?ctiid.346112
Third Party Advisory
https://vuldb.com/?id.346112
Third Party Advisory
https://vuldb.com/?submit.738369
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