CVE-2026-100839 Contrast - Template Injection

Contrast confidential-computing runtime for Kubernetes < 1.18.0 contains an AML injection caused by untrusted ACPI tables from the host executed by the guest kernel's AML interpreter, letting host attackers execute arbitrary code and access confidential guest memory, exploit requires host control.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.15% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Template Injection
Impact
Remote Code Execution, Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Update to version 1.18.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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