LangGraph JavaScript custom authentication may permit cross-user Store access
High-risk advisory
CVE-2026-118668
Summary
LangGraph JavaScript custom authentication may permit cross-user Store access
Why it matters
GitHub has published a reviewed security advisory for langgraph-api. Prioritize it with other application dependency updates, especially because EPSS places it in the 31% percentile.
Operator check
Check whether langgraph-api is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.6. EPSS probability: 0.4%; percentile: 31%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.