Open5GS up to 2.7.7 NF lib/sbi/client.c ogs_sbi_client_send_via_scp_or_sepp out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Open5GS up to 2.7.7 and classified as problematic. This impacts the function ogs_sbi_client_send_via_scp_or_sepp in the library lib/sbi/client.c of the component NF. Executing a manipulation can lead to out-of-bounds. This vulnerability appears as CVE-2026-8186. The attack may be performed from remote. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Open5GS up to 2.7.7. It has been declared as problematic. This vulnerability affects the function ogs_sbi_client_send_via_scp_or_sepp in the library lib/sbi/client.c of the component NF. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-8186. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Applying the patch d5bc487fcf9ea87d2b03f2ef95123af344773bfb is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-28912). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: d5bc487fcf9ea87d2b03f2ef95123af344773bfb

Timelineinfo

05/08/2026 Advisory disclosed
05/08/2026 +0 days VulDB entry created
05/09/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4491
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-8186 (🔒)
GCVE (CVE): GCVE-0-2026-8186
GCVE (VulDB): GCVE-100-362338
EUVD: 🔒

Entryinfo

Created: 05/08/2026 21:52
Updated: 05/09/2026 21:28
Changes: 05/08/2026 21:52 (57), 05/09/2026 21:28 (1)
Complete: 🔍
Submitter: 0wln3d
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #800024: Open5GS 2.7.7 Out-of-bounds Read (CWE-125) / Denial of Service (CWE-400) (by 0wln3d)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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