Vulnerability · Published May 9, 2026 · Assigned by VulDB
CVE-2026-8186Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out-of-bounds
Medium 5.3
In plain English
A medium-severity out-of-bounds read in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Official description
A vulnerability was detected in Open5GS up to 2.7.7. This affects the function ogs_sbi_client_send_via_scp_or_sepp in the library lib/sbi/client.c of the component NF. Performing a manipulation results in out-of-bounds read. The attack is possible to be carried out remotely. The patch is named d5bc487fcf9ea87d2b03f2ef95123af344773bfb. It is suggested to install a patch to address this issue.
Affected products (as reported)
Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
References
- VDB-362338 | Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out-of-bounds vdb-entry, technical-description
- VDB-362338 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #800024 | Open5GS 2.7.7 Out-of-bounds Read (CWE-125) / Denial of Service (CWE-400) third-party-advisory
- https://github.com/open5gs/open5gs/issues/4491 issue-tracking
- https://github.com/open5gs/open5gs/pull/4496 issue-tracking, patch
- https://github.com/open5gs/open5gs/commit/d5bc487fcf9ea87d2b03f2ef95123af344773bfb patch
- https://github.com/open5gs/open5gs/ product