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 |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.026, the 85th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 26 Jan 2026, 19:17 UTC Published by the maintainers as a GitHub repository advisory
Sources
- GitHub Advisory Database: GHSA-h25m-26qc-wcjf
- OSV: GHSA-h25m-26qc-wcjf
- github.com/facebook/react/security/advisories/GHSA-83fc-fqcc-2hmg
- github.com/vercel/next.js/security/advisories/GHSA-h25m-26qc-wcjf
- nvd.nist.gov/vuln/detail/CVE-2026-23864
- github.com/vercel/next.js
- vercel.com/changelog/summary-of-cve-2026-23864