NULL pointer dereference in Open5gs
CVE-2026-2062
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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (51.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Open5gs
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/open5gs/open5gs/issues/4257 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- github.com/open5gs/open5gs/issues/4257 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
- github.com/open5gs/open5gs/commit/f1bbd7b57f831e2a070780a7d8d5d4c73babdb59 (Patch, patch)
- github.com/open5gs/open5gs/ (Product, product)
Frequently asked questions
- What is CVE-2026-2062?
- CVE-2026-2062 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-02-06.
- How severe is CVE-2026-2062?
- Medium severity. CVSS v3 base score is 5.3 out of 10.