CVE-2026-100835 Contrast - Authentication Bypass

Contrast before 1.16.0 contains a remote attestation relay attack vulnerability caused by acceptance of any valid TEE attestation report regardless of originating hardware, letting attackers impersonate trusted components by relaying reports, exploit requires network interception and control of a single TEE machine.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
EPSS
0.22% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Man In The Middle
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-295

Vendor fix

Update to version 1.16.0 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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