A weakness has been identified in Open5GS up to 2.7.6. This vulnerability affects the function sgwc_s5c_handle_modify_bearer_response of the file src/sgwc/s5c-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called b19cf6a. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.
References
| Link | Resource |
|---|---|
| https://github.com/open5gs/open5gs/commit/b19cf6a | Patch |
| https://github.com/open5gs/open5gs/issues/4266 | Exploit Issue Tracking Patch Vendor Advisory |
| https://github.com/open5gs/open5gs/issues/4266#event-21968568116 | Issue Tracking Patch Exploit |
| https://github.com/open5gs/open5gs/issues/4266#issue-3794991595 | Exploit Issue Tracking Patch Vendor Advisory |
| https://vuldb.com/?ctiid.343193 | Permissions Required VDB Entry |
| https://vuldb.com/?id.343193 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.738371 | Third Party Advisory VDB Entry Exploit |
Configurations
History
02 Feb 2026, 19:23
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/open5gs/open5gs/commit/b19cf6a - Patch | |
| References | () https://github.com/open5gs/open5gs/issues/4266 - Exploit, Issue Tracking, Patch, Vendor Advisory | |
| References | () https://github.com/open5gs/open5gs/issues/4266#event-21968568116 - Issue Tracking, Patch, Exploit | |
| References | () https://github.com/open5gs/open5gs/issues/4266#issue-3794991595 - Exploit, Issue Tracking, Patch, Vendor Advisory | |
| References | () https://vuldb.com/?ctiid.343193 - Permissions Required, VDB Entry | |
| References | () https://vuldb.com/?id.343193 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?submit.738371 - Third Party Advisory, VDB Entry, Exploit | |
| First Time |
Open5gs open5gs
Open5gs |
|
| CPE | cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* |
28 Jan 2026, 17:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-01-28 17:16
Updated : 2026-02-02 19:23
NVD link : CVE-2026-1522
Mitre link : CVE-2026-1522
CVE.ORG link : CVE-2026-1522
JSON object : View
Products Affected
open5gs
- open5gs
CWE
CWE-404
Improper Resource Shutdown or Release