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 |
|---|---|---|---|---|
| 8.3 | High | 4.0 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0046, the 40th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 21 Jul 2026, 16:02 UTC Published by the maintainers as a GitHub repository advisory
Sources
- GitHub Advisory Database: GHSA-p9j2-gv94-2wf4
- OSV: GHSA-p9j2-gv94-2wf4
- github.com/vercel/next.js/security/advisories/GHSA-p9j2-gv94-2wf4
- github.com/vercel/next.js/commit/35f501357e9b0fe7c950b0d6aa8fcf5343f707e9
- github.com/vercel/next.js/commit/d3033266c6dff23f7be71e19341fe3a8c6e2c599
- github.com/vercel/next.js
- github.com/vercel/next.js/releases/tag/v15.5.21
- github.com/vercel/next.js/releases/tag/v16.2.11