← Back
CVE-2026-55253
Vulnerability in langgraph-checkpoint-mongodb (CVE-2026-55253)
Summary
vulnerability in langgraph-checkpoint-mongodb (CVE-2026-55253). Risk of unauthorized operations or information disclosure. Exploitable via ``filter``. Mitigation: upgrade to `0.3.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-55253** has been found in langgraph-checkpoint-mongodb.
Attackers can target a specific entry point like ``filter`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade langgraph-checkpoint-mongodb to **0.3.0** or later.
If unsure, ask your IT team or search "langgraph-checkpoint-mongodb CVE-2026-55253" on the vendor's site.
CVE-2026-55253 (langgraph-checkpoint-mongodb) — CWE-943 /
Attack surface: `filter`
Patched: `0.3.0` — 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-943) exists in langgraph-checkpoint-mongodb. Attackers reach the vulnerable code path via ``filter`` without authentication.
📍 Affected scope
langgraph-checkpoint-mongodb — . Attack surface: `filter`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **0.3.0**.
🛡️ 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 'langgraph-checkpoint-mongodb' .` 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 'langgraph-checkpoint-mongodb' . | 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 `langgraph-checkpoint-mongodb` 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 langgraph-checkpoint-mongodb to 0.3.0ステージング環境で 0.3.0 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。
-
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
pip
langgraph-checkpoint-mongodb
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.0"}]}]
pip
langgraph-store-mongodb
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.0"}]}]
References
- web https://github.com/langchain-ai/langchain-mongodb/security/advisories/GHSA-533j-2v4q-mw5h
- web https://github.com/langchain-ai/langchain-mongodb/releases/tag/libs%2Flanggraph-checkpoint-mongodb%2Fv0.4.0
- web https://github.com/langchain-ai/langchain-mongodb/releases/tag/libs%2Flanggraph-store-mongodb%2Fv0.3.0
- web https://github.com/advisories/GHSA-533j-2v4q-mw5h