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CVE-2026-108265— enclave-os-mini: RA-TLS challenge certificates were not bound to the TLS session

Quick assessment

Affected
Privasys enclave-os-mini
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Enclave OS Mini 是基于 Rust 的运行时环境，用于在 Intel SGX 飞地（enclave）中运行机密应用。在 wasm-v0.40.0 版本之前，SGX 运行时的远程认证（RA-TLS）挑战证书路径将证书的公钥哈希和客户端非ces数（nonce）放入 Quote 的 ReportData 字段中，但遗漏了与当前 TLS 会话绑定的特定值。攻击者若能获取飞地的 TLS 私钥，便可将有效的 Quote 中继到另一个连接上，导致依赖方（relying party）错误地将由攻击者终止的连接识别为经

CVSS 9.1 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-108265

Vulnerability Information
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Vulnerability Title
enclave-os-mini: RA-TLS challenge certificates were not bound to the TLS session
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Privasys enclave-os-mini < wasm-v0.40.0 -

II. Public POCs for CVE-2026-108265

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III. Intelligence Information for CVE-2026-108265

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Other References for CVE-2026-108265 (4)

Same Patch Batch · Privasys · 2026-10-09 · 5 CVEs total

CVE-2026-108266 9.1 CRITICAL Privasys rustls fork: RA-TLS challenge mode did not bind attestation evidence to the TLS s
CVE-2026-108269 9.1 CRITICAL ra-tls-clients: RA-TLS challenge verifier accepted quotes not bound to the TLS session
CVE-2026-108267 9.1 CRITICAL Privasys Go fork: RA-TLS challenge mode did not bind attestation evidence to the TLS sessi
CVE-2026-108268 9.1 CRITICAL enclave-os-virtual: RA-TLS challenge certificates were not bound to the TLS session

IV. Related Vulnerabilities

Same vendor: Privasys
Same weakness: CWE-346

V. Comments for CVE-2026-108265

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