{
 "public_id": "AIR-2026-0134",
 "incident_id": "2026-06-langgraph-checkpointer-sqli-to-rce",
 "date_disclosed": "2026-06-11",
 "date_occurred": null,
 "title": "LangGraph checkpointer chain: SQL injection in the SQLite/Redis stores plus unsafe msgpack deserialization equals RCE on self-hosted agents",
 "class": "responsible_disclosure",
 "attack_surface": "agent_framework",
 "initial_vector": "user_controlled_filter_to_get_state_history",
 "agent_capability_abused": [
  "agent_memory_persistence",
  "checkpoint_deserialization"
 ],
 "target_product": "LangGraph (langgraph-checkpoint-sqlite, langgraph-checkpoint-redis, langgraph)",
 "target_vendor": "LangChain Inc.",
 "autonomy_level": "semi_autonomous",
 "impact_realized": false,
 "impact_type": [
  "remote_code_execution",
  "server_takeover"
 ],
 "blast_radius": "self-hosted LangGraph deployments using the SQLite or Redis checkpointer; LangSmith Deployment (managed, PostgreSQL) was not vulnerable",
 "cve": [
  "CVE-2025-67644",
  "CVE-2026-28277",
  "CVE-2026-27022"
 ],
 "taxonomy": {
  "owasp_asi": [
   "ASI06",
   "ASI05"
  ],
  "mitre_atlas": [],
  "labels": [
   "sql_injection",
   "unsafe_deserialization",
   "agent_memory",
   "exploit_chain"
  ]
 },
 "defense_present": "none - the filter parameter was interpolated into the WHERE clause and checkpoint blobs were msgpack-deserialized without type restriction",
 "defense_bypassed": true,
 "fix_shipped": "langgraph-checkpoint-sqlite 3.0.1+, langgraph 1.0.10+, langgraph-checkpoint-redis 1.0.2+",
 "primary_sources": [
  "https://research.checkpoint.com/2026/from-sqli-to-rce-exploiting-langgraphs-checkpointer/"
 ],
 "verified_quote": "If we pass a msgpack with EXT_CONSTRUCTOR_SINGLE_ARG code",
 "confidence": "high",
 "notes": "Check Point Research, published 2026-06-11. Three CVEs disclosed as one chain: CVE-2025-67644 (SQLi in SQLite checkpointer), CVE-2026-28277 (unsafe msgpack deserialization allowing os.system via EXT_CONSTRUCTOR_SINGLE_ARG), CVE-2026-27022 (same injection class in the Redis checkpointer). Attack requires the application to expose get_state_history() with a user-controlled filter. This is the agent-memory-store deserialization class in its purest form.",
 "risk_category": "security_fraud",
 "risk_secondary": [],
 "risk_subcategory": "Insecure Code Generation",
 "risk_sub_secondary": [
  "Remote Code Execution & Sandbox Escape",
  "Persistence & Covert C2"
 ],
 "ai_entity": "generative",
 "agency": "ai_as_target",
 "agency_debatable": false,
 "agency_reason": "SQLi plus unsafe msgpack deserialization in the checkpointer",
 "vector_family": "other",
 "vector_detail": "user_controlled_filter_to_get_state_history",
 "guardrail_kind": [
  "none"
 ],
 "guardrail_outcome": "not_applicable",
 "xrefs": {
  "aiid": [],
  "atlas": [],
  "cve": [
   "CVE-2025-67644",
   "CVE-2026-28277",
   "CVE-2026-27022"
  ],
  "ghsa": []
 },
 "primary_asi": "ASI06",
 "agent_framework": "langchain",
 "model_provider": "unknown",
 "model_name": "",
 "detection_mechanism": "external_researcher",
 "tool_access": "unknown",
 "financial_loss_band": "unknown",
 "eai_category": "hallucination",
 "eai_domain": "agent_output_quality",
 "eai_secondary": [
  "privilege_escalation"
 ],
 "eai_reason": "subcategory: Insecure Code Generation",
 "asi_curated": [],
 "asi_scope": "in_scope",
 "asi_provenance": "rule",
 "asi_reason": "ASI06 (signal=memory); ASI05 (impact=code_exec)",
 "submitted_by": "EAI Internal"
}