A weakness has been identified in Linux Foundation Magma up to 1.9.0. The impacted element is an unknown function of the file orc8r/cloud/go/services/obsidian/access/operator.go of the component Obsidian REST. Executing a manipulation of the argument X-Magma-Client-Cert-Serial can lead to authentication bypass by spoofing.
The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
linux foundation:magma
References 5
https://vuldb.com/vuln/437423
VDB-437423 | Linux Foundation Magma Obsidian REST operator.go authentication spoofing
https://vuldb.com/vuln/437423/cti
VDB-437423 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/cve/CVE-2026-129360
CVE-2026-129360 | CVE Analysis and Report
https://vuldb.com/submit/1044006
Submit #1044006 | Magma Magma 1.8.0-era master @ 76d9dc0ebc (tested); non-TLS Authentication Bypass by Spoofing
https://www.linuxfoundation.org/
NVD