Improper Authorization in Open5GS 2.8.0 by Open5GS
CVE-2026-78158

5.3MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
24 August 2026

What is CVE-2026-78158?

In Open5GS version 2.8.0, a security flaw exists within the AMF UEContextReleaseRequest Path Handler. The vulnerability allows for improper authorization, providing an attacker with the ability to execute manipulations that could be leveraged to perform unauthorized actions. This flaw can be exploited remotely, posing significant security risks to systems utilizing this version of Open5GS.

Affected Version(s)

Open5GS 2.8.0

References

https://vuldb.com/vuln/394541
vdb-entry
https://vuldb.com/vuln/394541/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78158
third-party-advisory

CVSS V4

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

dwxll (VulDB User)
.