CVE-2026-8186

Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out-of-bounds

State: Published
Severity: 6.9 Medium
Published: May 9, 2026
Updated: May 11, 2026
Reserved: May 8, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	5.3 Medium	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	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-125 Out-of-Bounds Read
CWE-119 Memory Corruption

Affected Products

Product	Versions
Open5GSn/a	2.7.0Affected 2.7.1Affected 2.7.2Affected 2.7.3Affected 2.7.4Affected 2.7.5Affected 2.7.6Affected 2.7.7Affected

References

VDB-362338 | Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out-of-boundsvdb-entrytechnical-description
VDB-362338 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-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/4491issue-tracking
https://github.com/open5gs/open5gs/pull/4496issue-trackingpatch
https://github.com/open5gs/open5gs/commit/d5bc487fcf9ea87d2b03f2ef95123af344773bfbpatch
https://github.com/open5gs/open5gs/product

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