Denial of Service Vulnerability in Open5GS by Open5GS
CVE-2026-30045

7.5HIGH

Key Information:

Vendor

Open5GS

Status
Open5GS
Vendor
CVE Published:
27 August 2026

What is CVE-2026-30045?

An integer overflow vulnerability in the /nnrf-disc/v1/nf-instances component of Open5GS version 2.7.6 allows remote attackers to exploit this flaw. By sending specially crafted HTTP/2 GET requests, attackers can trigger a Denial of Service condition, rendering affected services inoperable. This vulnerability poses a risk to the availability of the affected services, necessitating prompt attention to implement necessary patches and mitigate potential threats.

References

https://github.com/open5gs/open5gs/issues/4263

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.