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 |
|---|---|---|---|---|
| 4.1 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0039, the 34th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-gf3v-fwqg-4vh7
- OSV: GHSA-gf3v-fwqg-4vh7
- github.com/langchain-ai/langchainjs/security/advisories/GHSA-gf3v-fwqg-4vh7
- nvd.nist.gov/vuln/detail/CVE-2026-26019
- github.com/langchain-ai/langchainjs/pull/9990
- github.com/langchain-ai/langchainjs/commit/d5e3db0d01ab321ec70a875805b2f74aefdadf9d
- github.com/langchain-ai/langchainjs
- github.com/langchain-ai/langchainjs/releases/tag/%40langchain%2Fcommunity%401.1.14