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CVE-2026-63397
medium
CVSS 6.4
Vulnerability in @genql/cli (CVE-2026-63397)
Summary
vulnerability in @genql/cli (CVE-2026-63397). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `6.3.4` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-63397** has been found in @genql/cli.
Successful exploitation can lead to full system takeover. CVSS score: 6.4/10.
What to do: upgrade @genql/cli to **6.3.4** or later.
If unsure, ask your IT team or search "@genql/cli CVE-2026-63397" on the vendor's site.
CVE-2026-63397 (@genql/cli) — CWE-116 / CVSS v3 6.4
Attack vector: remote (network-reachable)
Patched: `6.3.4` — 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
**A vulnerability** (CWE-116) exists in @genql/cli.
📍 Affected scope
@genql/cli — .
🔥 Severity
Severity: Medium (CVSS 6.4/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **6.3.4**.
🛡️ 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 '@genql/cli' .` 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
-
1Identify exposure identify
grep -r '@genql/cli' . | 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 `@genql/cli` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade @genql/cli to 6.3.4ステージング環境で 6.3.4 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
npm
@genql/cli
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.4"}]}]
References
- web https://github.com/remorses/genql
- web https://github.com/remorses/genql/releases/tag/%40genql%2Fcli%406.3.4
- web https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-197-01.json
- web https://www.cve.org/CVERecord?id=CVE-2026-63397
- web https://nvd.nist.gov/vuln/detail/CVE-2026-63397
- web https://github.com/advisories/GHSA-w757-xvvv-vgfw
- web https://github.com/remorses/genql/issues/197
- web https://github.com/remorses/genql/commit/2dbc80ffb767ee58e6b27d9d81d58fa1ee8bea28