CVE-2026-8186: Out-of-Bounds Read in Open5GS
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.
AI Analysis
Technical Summary
This vulnerability in Open5GS affects the ogs_sbi_client_send_via_scp_or_sepp function in the lib/sbi/client.c file of the NF component. It allows an attacker to perform an out-of-bounds read remotely, potentially leading to information disclosure or application instability. The affected versions include all releases from 2.7.0 through 2.7.7. A patch commit has been referenced (d5bc487fcf9ea87d2b03f2ef95123af344773bfb), but no vendor advisory or official remediation level is provided in the available data. The CVSS 4.0 base score is 6.9, indicating medium severity with network attack vector, low attack complexity, no privileges or user interaction required, and limited impact on availability.
Potential Impact
The vulnerability allows remote attackers to cause an out-of-bounds read in Open5GS NF component, which may lead to information disclosure or application instability. There is no evidence of known exploits in the wild. The medium CVSS score reflects a moderate risk level without direct evidence of code execution or denial of service.
Mitigation Recommendations
A patch addressing this vulnerability has been identified (commit d5bc487fcf9ea87d2b03f2ef95123af344773bfb). Security teams should apply this patch to affected Open5GS versions (2.7.0 through 2.7.7) to remediate the issue. Since no official vendor advisory or remediation level is provided, verify with the Open5GS project or trusted sources for the latest patch availability and instructions. Until patched, consider restricting network exposure of the affected component if feasible.
CVE-2026-8186: Out-of-Bounds Read in Open5GS
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 v4.0
Score 6.9medium
Affected software
pkg:github/open5gs/open5gsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Open5GS affects the ogs_sbi_client_send_via_scp_or_sepp function in the lib/sbi/client.c file of the NF component. It allows an attacker to perform an out-of-bounds read remotely, potentially leading to information disclosure or application instability. The affected versions include all releases from 2.7.0 through 2.7.7. A patch commit has been referenced (d5bc487fcf9ea87d2b03f2ef95123af344773bfb), but no vendor advisory or official remediation level is provided in the available data. The CVSS 4.0 base score is 6.9, indicating medium severity with network attack vector, low attack complexity, no privileges or user interaction required, and limited impact on availability.
Potential Impact
The vulnerability allows remote attackers to cause an out-of-bounds read in Open5GS NF component, which may lead to information disclosure or application instability. There is no evidence of known exploits in the wild. The medium CVSS score reflects a moderate risk level without direct evidence of code execution or denial of service.
Mitigation Recommendations
A patch addressing this vulnerability has been identified (commit d5bc487fcf9ea87d2b03f2ef95123af344773bfb). Security teams should apply this patch to affected Open5GS versions (2.7.0 through 2.7.7) to remediate the issue. Since no official vendor advisory or remediation level is provided, verify with the Open5GS project or trusted sources for the latest patch availability and instructions. Until patched, consider restricting network exposure of the affected component if feasible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-08T19:47:06.554Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69ff2340cbff5d86101296f0
Added to database: 05/09/2026, 12:06:24 UTC
Last enriched: 05/17/2026, 10:47:07 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 138
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.