HIGHPyPI →
LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores
LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores
Affected packages
- langgraph-checkpoint-postgres— before 3.1.1
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/langchain-ai/langgraph/security/advisories/GHSA-47pj-3jcm-6whg
- https://github.com/langchain-ai/langgraph/pull/8478
- https://github.com/langchain-ai/langgraph/commit/66ebe1a0da921e73f0f9f879ba105d314c079f7c
- https://github.com/langchain-ai/langgraph
- https://github.com/langchain-ai/langgraph/releases/tag/checkpointpostgres%3D%3D3.1.1
- https://github.com/langchain-ai/langgraph/releases/tag/checkpointsqlite%3D%3D3.1.1
- https://pypi.org/project/langgraph-checkpoint-postgres
- https://github.com/advisories/GHSA-47pj-3jcm-6whg
- https://nvd.nist.gov/vuln/detail/CVE-2026-71433
Structured record: https://osv.dev/vulnerability/PYSEC-2026-3635
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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