High severity · published Oct 12, 2026
CVE-2026-109358
Edgeless Systems Contrast 1.8.0 before 1.24.1 World-Writable Containerd Config Privilege Escalation
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
contrast · edgelesssys
1.8.0 before 1.24.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109358
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109358
vendor-advisory
https://github.com/edgelesssys/contrast/security/advisories/GHSA-376m-h37w-4rvq
third-party-advisory
https://www.vulncheck.com/advisories/edgeless-systems-contrast-1.8.0-before-1.24.1-world-writable-containerd-config-privilege-escalation
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