## LangGraph: Namespace labels containing `.` reach other namespaces in Postgres and SQLite stores

- 種別: advisory
- 重大度: medium
- 関連技術: python, postgresql, sqlite
- CVE: CVE-2026-115883
- 公開日時: 2026-10-23T22:06:44.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-6hmw-9432-67qq)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-6hmw-9432-67qq

影響: pip:langgraph-checkpoint-postgres < 3.1.3 → 3.1.3, pip:langgraph-checkpoint-sqlite < 3.1.2 → 3.1.2
The Postgres and SQLite stores save a namespace as its labels joined with ., so ("tenant", "bob") and ("tenant.bob",) map to the same stored namespace. put rejected labels containing ., but get, search, delete, list_namespaces, their async versions, and ops passed directly to batch/abatch did not. A caller that could pass such a label could read, overwrite or delete items in another namespace. Details BaseStore checked namespace labels only in put/aput. The other methods passed the namespace on…