Home/CVE/A vulnerability was detected in Open5GS up to 2.7.7. This affects an unknown function in the library /lib/sbi/message.c
CVE

CVE-2026-8729

A vulnerability was detected in Open5GS up to 2.7.7. This affects an unknown function in the library /lib/sbi/message.c

A vulnerability was detected in Open5GS up to 2.7.7. This affects an unknown function in the library /lib/sbi/message.c of the component NRF. Performing a manipulation of the argument service-names/snssais results in denial of service.

The attack is possible to be carried out remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

MEDIUM · CVSS 4.3 EPSS 0.00064
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-404Improper Resource Shutdown or Release
▤

Affected Products & Versions

1
open5gs<= 2.7.7
⚠

Public Exploits & PoCs

1
pocgithub.com · 4460github.com
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 May 2026 · 05:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/open5gs/open5gs/Product
https://vuldb.com/submit/808512Third Party AdvisoryVDB Entry
https://vuldb.com/submit/808513Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/364318Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/364318/ctiPermissions RequiredVDB Entry
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