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CVE-2026-35523
Vulnerability in strawberry-graphql (CVE-2026-35523)
Summary
vulnerability in strawberry-graphql (CVE-2026-35523). Confidential information can be exposed externally. Exploitable via ``connection_init``. Mitigation: upgrade to `0.312.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-35523** has been found in strawberry-graphql.
Attackers can target a specific entry point like ``connection_init`` over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade strawberry-graphql to **0.312.3** or later.
If unsure, ask your IT team or search "strawberry-graphql CVE-2026-35523" on the vendor's site.
CVE-2026-35523 (strawberry-graphql) — CWE-306 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `connection_init` / `on_ws_connect`
Patched: `0.312.3` — 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-306) exists in strawberry-graphql. Attackers reach the vulnerable code path via ``connection_init`` without authentication.
📍 Affected scope
strawberry-graphql — . Attack surface: `connection_init` / `on_ws_connect`.
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **0.312.3**.
🛡️ 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 'strawberry-graphql' .` 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 'strawberry-graphql' . | 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 `strawberry-graphql` 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 strawberry-graphql to 0.312.3ステージング環境で 0.312.3 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
PyPI
strawberry-graphql
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.312.3"}]}]
pip
strawberry-graphql
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.312.3"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-35523
- package https://github.com/strawberry-graphql/strawberry
- web https://github.com/strawberry-graphql/strawberry/security/advisories/GHSA-vpwc-v33q-mq89
- web https://github.com/strawberry-graphql/strawberry/commit/0977a4e6b41b7cfe3e9d8ba84a43458a2b0c54c2
- web https://github.com/strawberry-graphql/strawberry/releases/tag/0.312.3
- web https://github.com/pypa/advisory-database/tree/main/vulns/strawberry-graphql/PYSEC-2026-133.yaml
- web https://github.com/advisories/GHSA-vpwc-v33q-mq89