CVE-2026-2062
Open5GS PGW S5U Address sgwc_sxa_handle_session_modification_response null pointer dereference
Description
A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_modify_bearer_response/sgwc_sxa_handle_session_modification_response of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit is publicly available and might be used. The identifier of the patch is f1bbd7b57f831e2a070780a7d8d5d4c73babdb59. Applying a patch is the recommended action to fix this issue.
INFO
Published Date :
Feb. 6, 2026, 7:16 p.m.
Last Modified :
Feb. 11, 2026, 7:02 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
- Apply the patch f1bbd7b57f831e2a070780a7d8d5d4c73babdb59.
- Update Open5GS to the latest version.
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-2026-2062.
| URL | Resource |
|---|---|
| https://github.com/open5gs/open5gs/ | Product |
| https://github.com/open5gs/open5gs/commit/f1bbd7b57f831e2a070780a7d8d5d4c73babdb59 | Patch |
| https://github.com/open5gs/open5gs/issues/4257 | Exploit Issue Tracking Vendor Advisory |
| https://github.com/open5gs/open5gs/issues/4257#issue-3787701521 | Exploit Issue Tracking Vendor Advisory |
| https://vuldb.com/?ctiid.344622 | Permissions Required VDB Entry |
| https://vuldb.com/?id.344622 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.744719 | Third Party Advisory VDB 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-2026-2062 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-2026-2062
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-2026-2062 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2062 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. 11, 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 CWE CWE-476 Added CPE Configuration OR *cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* versions up to (including) 2.7.0 Added Reference Type VulDB: https://github.com/open5gs/open5gs/ Types: Product Added Reference Type VulDB: https://github.com/open5gs/open5gs/commit/f1bbd7b57f831e2a070780a7d8d5d4c73babdb59 Types: Patch Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/4257 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/4257#issue-3787701521 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.344622 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.344622 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.744719 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 06, 2026
Action Type Old Value New Value Added Description A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_modify_bearer_response/sgwc_sxa_handle_session_modification_response of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit is publicly available and might be used. The identifier of the patch is f1bbd7b57f831e2a070780a7d8d5d4c73babdb59. Applying a patch is the recommended action to fix this issue. 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-476 Added CWE CWE-404 Added Reference https://github.com/open5gs/open5gs/ Added Reference https://github.com/open5gs/open5gs/commit/f1bbd7b57f831e2a070780a7d8d5d4c73babdb59 Added Reference https://github.com/open5gs/open5gs/issues/4257 Added Reference https://github.com/open5gs/open5gs/issues/4257#issue-3787701521 Added Reference https://vuldb.com/?ctiid.344622 Added Reference https://vuldb.com/?id.344622 Added Reference https://vuldb.com/?submit.744719