PYSEC-2026-3636 LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores

Summary The Postgres and SQLite stores persist hierarchical namespaces as a dot-joined string "memories", "alice" becomes memories.alice and scoped reads by matching that string with LIKE '%'. Because LIKE has no notion of the . separator, a scoped search or listnamespaces also matched sibling...

LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores

SummaryThe Postgres and SQLite stores persist hierarchical namespaces as a dot-joined string "memories", "alice" becomes memories.alice and scoped reads by matching that string with LIKE '%'. Because LIKE has no notion of the . separator, a scoped search or listnamespaces also matched sibling...

PYSEC-2026-3635 LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores

Summary The Postgres and SQLite stores persist hierarchical namespaces as a dot-joined string "memories", "alice" becomes memories.alice and scoped reads by matching that string with LIKE '%'. Because LIKE has no notion of the . separator, a scoped search or listnamespaces also matched sibling...

LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores

SummaryThe Postgres and SQLite stores persist hierarchical namespaces as a dot-joined string "memories", "alice" becomes memories.alice and scoped reads by matching that string with LIKE '%'. Because LIKE has no notion of the . separator, a scoped search or listnamespaces also matched sibling...

GHSA-47PJ-3JCM-6WHG LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores

Summary The Postgres and SQLite stores persist hierarchical namespaces as a dot-joined string "memories", "alice" becomes memories.alice and scoped reads by matching that string with LIKE '%'. Because LIKE has no notion of the . separator, a scoped search or listnamespaces also matched sibling...

CVE-2026-71433 LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores

LangGraph Checkpoint Postgres and SQLite Checkpoint are the Postgres and SQLite implementations of LangGraph's checkpoint saver. Prior to 3.1.1, the langgraph-checkpoint-postgres and langgraph-checkpoint-sqlite packages persisted hierarchical namespaces as a dot joined string and scoped reads by...

CVE-2026-11481

A vulnerability was determined in yoanbernabeu grepai up to 0.35.0. The affected element is the function PostgresStore.LookupByContentHash of the file indexer/chunker.go of the component Postgres Embedding Cache. Executing a manipulation of the argument contenthash can lead to use of weak hash. T...

Use of Weak Hash

Overview Affected versions of this package are vulnerable to Use of Weak Hash in the PostgresStore.LookupByContentHash function of the Postgres Embedding Cache component when processing the contenthash argument. An attacker can cause information disclosure or compromise data integrity by exploiti...

PT-2026-47243

Name of the Vulnerable Software and Affected Versions yoanbernabeu grepai versions prior to 0.35.0 Description The Postgres Embedding Cache component contains an issue where the PostgresStore.LookupByContentHash function in the indexer/chunker.go file uses a weak hash. A local attacker can...