CVE-2026-8186
MEDIUM EPSS 40.1%
Published May 9, 20261mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Published May 9, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
40.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available
Weaknesses 2
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-125 Out-of-bounds Read Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| open5gs | open5gs | * | ≤2.7.7 |
References 7
- github.com https://github.com/open5gs/open5gs/
- github.com https://github.com/open5gs/open5gs/commit/d5bc487fcf9ea87d2b03f2ef95123af344773bfb
- github.com https://github.com/open5gs/open5gs/issues/4491
- github.com https://github.com/open5gs/open5gs/pull/4496
- vuldb.com https://vuldb.com/submit/800024
- vuldb.com https://vuldb.com/vuln/362338
- vuldb.com https://vuldb.com/vuln/362338/cti
Remediation
- github.com https://github.com/open5gs/open5gs/commit/d5bc487fcf9ea87d2b03f2ef95123af344773bfb
- github.com https://github.com/open5gs/open5gs/pull/4496