[UPDATE] [medium] Vercel Next.js: Multiple vulnerabilities allow denial of service
An attacker can exploit multiple vulnerabilities in Vercel Next.js to conduct a denial of service attack.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in Vercel Next.js to conduct a denial of service attack.
- Who is affected
- Deployments of Vercel Next.js are affected.
- Urgency
- Remediation is medium urgency due to the potential for denial of service.
- Action
- Update to the latest version of Vercel Next.js.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Next.js
Get an email when a new Next.js advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0219
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2025-594710.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all scored CVEs.
- Low exploitation riskCVE-2025-594720.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all scored CVEs.
- Moderate exploitation riskCVE-2026-238642.5% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 83% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-59471 | coverage & exploitation status | NVD · CVE.org |
| CVE-2025-59472 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-23864 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Vercel Next.js
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[UPDATE] [high] Vercel Next.js: Multiple vulnerabilitiescert-bund · 2026-07-10
- medium[UPDATE] [medium] Vercel Next.js: Multiple vulnerabilitiescert-bund · 2026-07-02
More from CERT-Bund (BSI) Security Advisories
- medium[NEW] [medium] DENX U-Boot: Multiple vulnerabilities allow execution of arbitrary code and DoS2026-07-10
- medium[NEW] [medium] Samsung Android: Multiple vulnerabilities2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10