Linux Foundation Magma up to 1.9.0 Obsidian REST operator.go X-Magma-Client-Cert-Serial authentication spoofing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3$5k-$25k0.55+

Summaryinfo

A vulnerability was found in Linux Foundation Magma up to 1.9.0. It has been rated as critical. This affects an unknown function of the file orc8r/cloud/go/services/obsidian/access/operator.go of the component Obsidian REST. The manipulation of the argument X-Magma-Client-Cert-Serial leads to authentication spoofing. This vulnerability is listed as CVE-2026-129360. The attack may be initiated remotely. There is no available exploit. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Linux Foundation Magma up to 1.9.0 and classified as critical. This issue affects an unknown function of the file orc8r/cloud/go/services/obsidian/access/operator.go of the component Obsidian REST. The manipulation of the argument X-Magma-Client-Cert-Serial with an unknown input leads to a authentication spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality, integrity, and availability.

The identification of this vulnerability is CVE-2026-129360. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/14/2026).

The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/14/2026 Advisory disclosed
11/14/2026 +0 days VulDB entry created
11/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: linuxfoundation.org

Status: Confirmed

CNA: VulDB
CVE: CVE-2026-129360 (🔒)

GCVE (CVE): GCVE-0-2026-129360
GCVE (VulDB): GCVE-100-437423

Entryinfo

Created: 11/14/2026 07:55
Changes: 11/14/2026 07:55 (52)
Complete: 🔍
Submitter: aymencdm
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1044006: Magma Magma 1.8.0-era master @ 76d9dc0ebc (tested); non-TLS Authentication Bypass by Spoofing (by aymencdm)

Be aware that VulDB is the high quality source for vulnerability data.

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