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CVE-2026-6966
Vulnerability in Amazon tough (CVE-2026-6966)
Summary
vulnerability in Amazon tough (CVE-2026-6966). Data can be tampered with by attackers. Mitigation: upgrade to `0.22.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-6966** has been found in Amazon tough.
Data can be tampered with by attackers. CVSS score: ?/10.
What to do: upgrade Amazon tough to **0.22.0** or later.
If unsure, ask your IT team or search "Amazon tough CVE-2026-6966" on the vendor's site.
CVE-2026-6966 (Amazon tough) — CWE-347 /
Attack vector: remote (network-reachable) / no user interaction
Patched: `0.22.0` — apply immediately
Workaround: No workarounds to this issue are known.
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-347) exists in Amazon tough.
📍 Affected scope
Amazon tough — .
🔥 Severity
Severity: ?. Data can be tampered with by attackers
🔧 How to fix
Update to **0.22.0**.
🛡️ Workaround
Workaround: No workarounds to this issue are known.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'tough' .` 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 'tough' . | 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 `tough` 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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5Apply temporary workaround mitigate
No workarounds to this issue are known.パッチが適用されるまでの応急処置として、No workarounds to this issue are known. を実施。回避策の副作用 (機能低下) を確認した上で。
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6Apply patch patch
Upgrade tough to 0.22.0ステージング環境で 0.22.0 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
crates.io
tough
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.22.0"}]}]
crates.io
tuftool
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.15.0"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-6966
- AWS https://aws.amazon.com/security/security-bulletins/rss/2026-019-aws/
- package https://github.com/awslabs/tough
- web https://github.com/awslabs/tough/security/advisories/GHSA-8m7c-8m39-rv4x
- web https://aws.amazon.com/security/security-bulletins/2026-019-aws
- web https://crates.io/crates/tough/0.22.0
- web https://crates.io/crates/tuftool/0.15.0
- web https://github.com/awslabs/tough/releases/tag/tough-v0.22.0
- web https://github.com/awslabs/tough/releases/tag/tuftool-v0.15.0