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CVE-2026-129360

Linux Foundation Magma Obsidian REST operator.go authentication spoofing

  • High 7.5

Description

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.

Key facts

Published
15 Nov 2026
Last changed
15 Nov 2026
Assigned by
VulDB
EPSS
0.411% likely to be exploited in the next 30 days, higher than 35.881% of CVEs (scores for 15 Nov 2026)

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 6.9CVSS 4.0, Mediumfrom the CNA (VulDB)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
  • 7.3CVSS 3.1, Highfrom the CNA (VulDB)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
  • 7.3CVSS 3.0, Highfrom the CNA (VulDB)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
  • 7.5CVSS 2.0, Highfrom the CNA (VulDB)AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Linux FoundationMagma
  • 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)

Timeline

  1. 14 Nov 2026 Advisory disclosed
  2. 14 Nov 2026 VulDB entry created
  3. 15 Nov 2026 Published
  4. 15 Nov 2026 VulDB entry last update

Weakness

References