Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.5 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.040, the 90th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-5mx2-w598-339m
- OSV: GHSA-5mx2-w598-339m
- github.com/langchain-ai/langgraphjs/security/advisories/GHSA-5mx2-w598-339m
- nvd.nist.gov/vuln/detail/CVE-2026-27022
- github.com/langchain-ai/langgraphjs/pull/1943
- github.com/langchain-ai/langgraphjs/commit/814c76dc3938d0f6f7e17ca3bc11d6a12270b2a1
- github.com/langchain-ai/langgraphjs
- github.com/langchain-ai/langgraphjs/releases/tag/@langchain/[email protected]