Denial of Service Vulnerability in Open5GS AMF Component by Open5GS
CVE-2026-7586

5.3MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
1 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7586?

A vulnerability has been discovered in Open5GS versions up to 2.7.7, specifically within the AMF component's function ogs_id_get_value located in /src/amf/nudm-handler.c. This flaw can be exploited to execute remote denial of service attacks, causing disruptions in service. The exploit has been publicly disclosed, raising concerns over potential widespread attacks. Despite prior notification to the project through an issue report, no response has been noted, leaving users potentially exposed to this risk.

Affected Version(s)

Open5GS 2.7.0

Open5GS 2.7.1

Open5GS 2.7.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-7586 - Proof of Concept

References

https://vuldb.com/vuln/360536
vdb-entrytechnical-description
https://vuldb.com/vuln/360536/cti
signaturepermissions-required
https://vuldb.com/submit/804336
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ZiyuLin (VulDB User)
VulDB CNA Team
.