CVE-2026-64641
Fixed in a distro release EPSS <1%CVSS 8.2
Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, crafted requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive CPU usage blocking processing of further requests in the same process. This issue has been fixed in versions 15.5.21 and 16.2.11.
Products: vercel next.js
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| npm | next | 15.5.21 |
| npm | next | 16.2.11 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | cadence-web | no fix |
| Chainguard | commercial-chainloop-frontend | no fix |
| Chainguard | homepage | 1.13.2-r8 |
| Chainguard | homepage | 1.13.2-r9 |
| Chainguard | jitsucom-jitsu-console | 2.11.0-r30 |
| Chainguard | keep-ui | 0.54.2-r1 |
| Chainguard | keep-ui-fips | 0.54.2-r1 |
| Chainguard | langfuse-2 | 2.95.12-r35 |
| Chainguard | langfuse-3 | 3.224.1-r0 |
| Chainguard | langfuse-3-compat | 3.225.7-r6 |
| Chainguard | langfuse-3-worker | 3.224.1-r0 |
| Chainguard | langfuse-fips-2 | 2.95.12-r38 |
| Chainguard | langfuse-fips-3 | 3.224.1-r0 |
| Chainguard | langfuse-fips-3-worker | 3.224.1-r0 |
| Chainguard | peerdb-ui | 0.37.3-r1 |
| Wolfi | jitsucom-jitsu-console | 2.11.0-r30 |
| Wolfi | langfuse-3 | 3.224.1-r0 |
| Wolfi | langfuse-3-compat | 3.225.7-r6 |
| Wolfi | langfuse-3-worker | 3.224.1-r0 |