Vulnerability in Open5gs
CVE-2026-1522
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.
EPSS: 0.007 (47.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Open5gs
- N/a Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Patch, Issue Tracking, Vendor Advisory)
- cna@vuldb.com (issue-tracking, Exploit, Patch, Issue Tracking)
- cna@vuldb.com (issue-tracking, Exploit, Patch, exploit, Issue Tracking, Vendor Advisory)
- cna@vuldb.com (Patch, patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-1522?
- CVE-2026-1522 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-01-28.
- How severe is CVE-2026-1522?
- Medium severity. CVSS v3 base score is 5.3 out of 10.