Linux Foundation Magma up to 1.9.0 Host Middleware middleware.ts hostOrgMiddleware role authorization

Summaryinfo

A vulnerability was found in Linux Foundation Magma up to 1.9.0 and classified as critical. Impacted is the function hostOrgMiddleware of the file nms/server/host/middleware.ts of the component Host Middleware. Such manipulation of the argument role leads to authorization. This vulnerability is referenced as CVE-2026-129357. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Foundation Magma up to 1.9.0. Affected by this issue is the function hostOrgMiddleware of the file nms/server/host/middleware.ts of the component Host Middleware. The manipulation of the argument role with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-129357. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/14/2026).

The exploit is available at github.com. It is declared as proof-of-concept. 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Linux Foundation

Name

• Magma

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9.0

License

• open-source

Website

• Vendor: https://www.linuxfoundation.org/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #1043997: Magma master @ 76d9dc0ebc (Magma 1.8.0-era) Missing Authorization (by aymencdm)

Duplicate

• Submit #XXXXXXX: Xxxxx Xxxxxx @ Xxxxxxxxxx (xxxxx X.x.x-xxx) Xxxxxxx Xxxxxxxxxxxxx (by aymencdm)

Once again VulDB remains the best source for vulnerability data.

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