CVE-2026-2523
Open5GS SMF gn-handler.c smf_gn_handle_create_pdp_context_request assertion
Description
A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public 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 version that patches the assertion failure.
- Monitor vendor advisories for security updates.
- Review SMF component for potential related vulnerabilities.
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-2026-2523.
| URL | Resource |
|---|---|
| https://github.com/open5gs/open5gs/ | Product |
| https://github.com/open5gs/open5gs/issues/4285 | ExploitIssue TrackingVendor Advisory |
| https://github.com/open5gs/open5gs/issues/4285#issue-3809055236 | ExploitIssue TrackingVendor Advisory |
| https://vuldb.com/?ctiid.346111 | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.346111 | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.738342 | 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-2026-2523 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-2026-2523
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-2026-2523 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2523 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:*:*:*:*:*:*:*:* versions up to (including) 2.7.6 Added Reference Type VulDB: https://github.com/open5gs/open5gs/ Types: Product Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/4285 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/4285#issue-3809055236 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.346111 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.346111 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.738342 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 16, 2026
Action Type Old Value New Value Added Description A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public 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-617 Added Reference https://github.com/open5gs/open5gs/ Added Reference https://github.com/open5gs/open5gs/issues/4285 Added Reference https://github.com/open5gs/open5gs/issues/4285#issue-3809055236 Added Reference https://vuldb.com/?ctiid.346111 Added Reference https://vuldb.com/?id.346111 Added Reference https://vuldb.com/?submit.738342