CVE-2026-108265

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.

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Weakness Type (CWE)

CWE-346 CWE-346

References

Other References

https://github.com/Privasys/enclave-os-mini/commit/9f541c849ef733d2df2851a666f359d01dcdcb8e https://github.com/Privasys/enclave-os-mini/releases/tag/wasm-v0.40.0 https://github.com/Privasys/enclave-os-mini/security/advisories/GHSA-49qm-4pj3-w2c6 https://privasys.org/blog/binding-attestation-to-the-tls-session

Frequently Asked Questions

What is CVE-2026-108265? +

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.

How do I check if I'm vulnerable to CVE-2026-108265? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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