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CVE-2026-55093
Out-of-Bounds Read in tract-nnef (CVE-2026-55093)
Summary
vulnerability in tract-nnef (CVE-2026-55093). Risk of unauthorized operations or information disclosure. Exploitable via ``DatLoader``. Mitigation: upgrade to `0.21.16` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-55093** has been found in tract-nnef.
Attackers can target a specific entry point like ``DatLoader`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade tract-nnef to **0.21.16** or later.
If unsure, ask your IT team or search "tract-nnef CVE-2026-55093" on the vendor's site.
CVE-2026-55093 (tract-nnef) — CWE-125 /
Attack surface: `DatLoader` / `model_for_read` / `read_tensor` / `len`
Patched: `0.21.16` — apply immediately
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
**out-of-bounds read** (CWE-125) exists in tract-nnef. Attackers reach the vulnerable code path via ``DatLoader`` without authentication.
📍 Affected scope
tract-nnef — . Attack surface: `DatLoader` / `model_for_read` / `read_tensor` / `len`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **0.21.16**.
🛡️ 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. Run `grep -r 'tract-nnef' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'tract-nnef' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `tract-nnef` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade tract-nnef to 0.21.16ステージング環境で 0.21.16 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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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。
Affected packages
rust
tract-nnef
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.21.16"}]}]