CVE-2026-108269 Remote Attestation TLS Clients - Authentication Bypass

Remote Attestation TLS Clients < 0.5.0 contain a replay attack vulnerability caused by quote ReportData not being bound to the active TLS session in Rust and Go RA-TLS challenge verifiers, letting attackers relay genuine quotes to impersonate attested enclaves, exploit requires attacker to obtain enclave TLS private key.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Man In The Middle
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
9 October 2026
Updated
15 October 2026
Weakness
CWE-346

Vendor fix

Update to version 0.5.0 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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