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CVE-2026-64866

Vulnerability in github.com/QuantumNous/new-api (CVE-2026-64866)

Summary

vulnerability in github.com/QuantumNous/new-api (CVE-2026-64866). Risk of unauthorized operations or information disclosure. Exploitable via `DELETE /api/user/`. Mitigation: upgrade to `1.0.0-rc.7` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **CVE-2026-64866** has been found in github.com/QuantumNous/new-api. Attackers can target a specific entry point like `DELETE /api/user/` over the network to misuse the product. Risk of unauthorized operations or information disclosure. CVSS score: ?/10. What to do: upgrade github.com/QuantumNous/new-api to **1.0.0-rc.7** or later. If unsure, ask your IT team or search "github.com/QuantumNous/new-api CVE-2026-64866" on the vendor's site.
CVE-2026-64866 (github.com/QuantumNous/new-api) — CWE-862 / Attack surface: DELETE /api/user/ / `canManageTargetRole` / `AdminResetPasskey` Patched: `1.0.0-rc.7` — apply immediately Workaround: If upgrading immediately is not possible, restrict admin access to trusted operators only and block `DELETE /api/user/:id/reset_passkey` at the reverse proxy or gateway except for root operators. 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-862) exists in github.com/QuantumNous/new-api. Attackers reach the vulnerable code path via `DELETE /api/user/` without authentication.
📍 Affected scope
github.com/QuantumNous/new-api — . Attack surface: DELETE /api/user/ / `canManageTargetRole` / `AdminResetPasskey`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.0.0-rc.7**.
🛡️ Workaround
Workaround: If upgrading immediately is not possible, restrict admin access to trusted operators only and block `DELETE /api/user/:id/reset_passkey` at the reverse proxy or gateway except for root operators.
🔍 Detection
Search webserver/proxy logs for unusual `DELETE /api/user/` requests with malformed payloads or SQL meta-characters. Run `grep -r 'github.com/QuantumNous/new-api' .` 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

  1. 1
    Identify exposure identify
    grep -r 'github.com/QuantumNous/new-api' . | 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 `github.com/QuantumNous/new-api` を grep し、稼働しているサービス・バージョンを把握する。

  2. 3
    Hunt for indicators of compromise detect
    grep 'DELETE /api/user/' /var/log/nginx/access.log | grep -E '(unusual_payload|sqli_pattern)'

    アクセスログで `DELETE /api/user/` への異常なリクエスト (不正な認証ヘッダ・SQLメタ文字)を過去 30〜90日分捜索。WAF/SIEM があれば該当パスのアラート発火履歴を確認。

  3. 5
    Apply temporary workaround mitigate
    If upgrading immediately is not possible, restrict admin access to trusted operators only and block `DELETE /api/user/:id/reset_passkey` at the reverse proxy or gateway except for root operators.

    パッチが適用されるまでの応急処置として、If upgrading immediately is not possible, restrict admin access to trusted operators only and block `DELETE /api/user/:id/reset_passkey` at the reverse proxy or gateway except for root operators. を実施。回避策の副作用 (機能低下) を確認した上で。

  4. 6
    Apply patch patch
    Upgrade github.com/QuantumNous/new-api to 1.0.0-rc.7

    ステージング環境で 1.0.0-rc.7 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。

  5. 7
    Post-deployment verification verify
    Replay attack against DELETE /api/user/ on staging to confirm patch closes the vector

    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

go github.com/QuantumNous/new-api
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0-rc.7"}]}]

References

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