CVE-2026-23864
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.
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Exploitation outlook
- Moderate exploitation risk2.5% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 83% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Vercel Next.js: Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-02
External references
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[](https://www.csirts.com/cve/CVE-2026-23864)