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Open5GS CVE-2026-8186

| EUVD-2026-28912 MEDIUM
Out-of-bounds Read (CWE-125)
2026-05-09 VulDB GHSA-2xj3-jm9w-283r
Buffer Overflow Information Disclosure
6.9
CVSS 4.0
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CVSS VectorNVD

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

Lifecycle Timeline

4
Source Code Evidence Fetched
May 09, 2026 - 12:30 vuln.today
Analysis Generated
May 09, 2026 - 12:30 vuln.today
CVSS changed
May 09, 2026 - 12:22 NVD
5.3 (MEDIUM) 6.9 (MEDIUM)
CVE Published
May 09, 2026 - 12:00 nvd
MEDIUM 6.9

DescriptionNVD

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.

AnalysisAI

Out-of-bounds read in Open5GS up to version 2.7.7 allows remote attackers to trigger information disclosure via manipulation of the ogs_sbi_client_send_via_scp_or_sepp function in lib/sbi/client.c during Service-Based Interface (SBI) communication. The vulnerability exploits improper bounds checking when extracting paths from URIs, affecting the Network Function (NF) component. …

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CVE-2026-8186 vulnerability details – vuln.today
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