# CVE-2026-129360: Linux Foundation Magma Obsidian REST operator.go authentication spoofing

Status: published. Published: 2026-11-15. Updated: 2026-11-15.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Linux Foundation / Magma: 1.0 (affected); 1.1 (affected); 1.2 (affected); 1.3 (affected); 1.4 (affected); 1.5 (affected); 1.6 (affected); 1.7 (affected); 1.8 (affected); 1.9.0 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X; source: CNA: VulDB

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 7.3 (high); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-290, CWE-287

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/437423 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/437423/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-129360 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1044006 (CNA: VulDB; third-party-advisory)

- https://www.linuxfoundation.org/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-129360; retrieved 2026-11-15; source updated 2026-11-15

Revision: feedce49e7239d3b45a5a34b58a3614cbb9612ec7f038dab76ae4a6ab373231c

Canonical: https://y2.dev/cve/CVE-2026-129360

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