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CVE-2026-71969
medium
CVSS 6.7
Vulnerability in CVE-2026-71969 (CVE-2026-71969)
Summary
vulnerability in CVE-2026-71969 (CVE-2026-71969). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-71969** has been found in CVE-2026-71969.
Successful exploitation can lead to full system takeover. CVSS score: 6.7/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "CVE-2026-71969 CVE-2026-71969" on the vendor's site.
CVE-2026-71969 (CVE-2026-71969) — CWE-124 / CVSS v3 6.7
Attack vector: local / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-124) exists in CVE-2026-71969.
📍 Affected scope
CVE-2026-71969 — .
🔥 Severity
Severity: Medium (CVSS 6.7/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.依存マニフェストで影響コンポーネントを特定する。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- web https://github.com/OP-TEE/optee_os/commit/7b8b494e0a324cefec8ed386b7de413b44f1aaf3
- web https://github.com/OP-TEE/optee_os/pull/7808
- web https://github.com/OP-TEE/optee_os/pull/7898
- web https://www.vulncheck.com/advisories/op-tee-os-buffer-underwrite-via-rsa-nopad-encrypt-decrypt-operations
- web https://nvd.nist.gov/vuln/detail/CVE-2026-71969
- web https://github.com/advisories/GHSA-hg7c-pmh6-576f
- web [email protected]
- web https://blog.secmate.dev/posts/optee-vulnerabilities-disclosure