CVE-2026-2524
Open5GS MME mme_s11_handle_create_session_response denial of service
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.
INFO
Published Date :
Feb. 16, 2026, 1:15 a.m.
Last Modified :
Feb. 18, 2026, 7:07 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Open5GS to a patched version when available.
- Monitor project for official fixes or patches.
- Restrict network access to the MME component.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-2524.
| URL | Resource |
|---|---|
| https://github.com/open5gs/open5gs/ | Product |
| https://github.com/open5gs/open5gs/issues/4284 | ExploitIssue TrackingVendor Advisory |
| https://github.com/open5gs/open5gs/issues/4284#issue-3808462406 | ExploitIssue TrackingVendor Advisory |
| https://vuldb.com/?ctiid.346112 | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.346112 | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.738369 | Third Party AdvisoryVDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2524 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-2524
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2524 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2524 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 18, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:open5gs:open5gs:2.7.6:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/open5gs/open5gs/ Types: Product Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/4284 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/4284#issue-3808462406 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.346112 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.346112 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.738369 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 16, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CWE CWE-404 Added Reference https://github.com/open5gs/open5gs/ Added Reference https://github.com/open5gs/open5gs/issues/4284 Added Reference https://github.com/open5gs/open5gs/issues/4284#issue-3808462406 Added Reference https://vuldb.com/?ctiid.346112 Added Reference https://vuldb.com/?id.346112 Added Reference https://vuldb.com/?submit.738369