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Critical · 9.1 CVE-2026-108265 EUVD-2026-95996

enclave-os-mini: RA-TLS challenge certificates were not bound to the TLS session

Published Oct 9, 2026 · Updated Oct 13, 2026 · Assigned by GitHub_M

Description

Enclave OS Mini is a Rust-based runtime for confidential applications inside Intel SGX enclaves. Prior to wasm-v0.40.0, the SGX runtime's RA-TLS challenge certificate path placed the certificate public-key hash and client nonce in quote ReportData but omitted a value bound to the active TLS session. An attacker who obtained an enclave TLS private key could relay a genuine quote onto another connection, causing a relying party to accept an attacker-terminated connection as the attested enclave. This issue is fixed in wasm-v0.40.0.

Affected products

VendorProductAffectedFixed
Privasys enclave-os-mini < wasm-v0.40.0 —

References