Use After Free Vulnerability in Open5GS Software by Open5GS
CVE-2026-15194

4.8MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
9 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15194?

A security flaw has been identified in Open5GS version 2.7.7 affecting the AMF component's function amf_context_final located in src/amf/context.c. This vulnerability arises from improper handling of memory, leading to a use after free condition. An attacker with local access can exploit this flaw, potentially leading to unauthorized operations within the system. Publicly disclosed exploits may pose a risk for users, emphasizing the importance of timely updates and security patches.

Affected Version(s)

Open5GS 2.7.7

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-2026-15194 - Proof of Concept

References

https://vuldb.com/vuln/377122
vdb-entrytechnical-description
https://vuldb.com/vuln/377122/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15194
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Local
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

Buggweb (VulDB User)
.