Edgeless Systems Contrast up to 1.24.0 Node Installer permission assignment

Summaryinfo

A vulnerability classified as very critical was found in Edgeless Systems Contrast up to 1.24.0. This affects an unknown function of the component Node Installer. Executing a manipulation can lead to permission assignment. This vulnerability is tracked as CVE-2026-109358. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Edgeless Systems Contrast up to 1.24.0 and classified as very critical. This vulnerability affects an unknown function of the component Node Installer. The manipulation with an unknown input leads to a permission assignment vulnerability. The CWE definition for the vulnerability is CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Edgeless Systems Contrast 1.8.0 before 1.24.1 contains an incorrect permissions vulnerability where the node installer writes the containerd config world-writable (0666). Local unprivileged users on the node can modify the containerd config, for example overwriting the runc location, to escalate privileges.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-109358 since 10/12/2026. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/12/2026).

Upgrading to version 1.24.1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Edgeless Systems

Name

• Contrast

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24.0

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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