CVE-2026-109358

HIGH 7.8

Edgeless Systems Contrast 1.8.0 before 1.24.1 World-Writable Containerd Config Privilege Escalation

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-732
Vendor	edgelesssys
Product	contrast
Published	Oct 12, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

edgelesssys / contrast

1.8.0 < 1.24.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/edgelesssys/contrast/security/advisories/GHSA-376m-h37w-4rvq vulncheck.com: https://www.vulncheck.com/advisories/edgeless-systems-contrast-1.8.0-before-1.24.1-world-writable-containerd-config-privilege-escalation

Credits

rechard-edward B1ueD0g muhammad-usama-sardar burgerdev sespiros