[NEW] [high] Vercel Next.js: Multiple Vulnerabilities
An attacker can exploit multiple vulnerabilities in Vercel Next.js to manipulate data, disclose information, conduct a denial of service attack, and bypass security measures.
CSIRTS triage
- What
- Multiple vulnerabilities can be exploited to manipulate data, disclose information, and conduct denial of service attacks.
- Who is affected
- Users of Vercel Next.js.
- Urgency
- Remediation is urgent due to the potential for severe impacts from these vulnerabilities.
- 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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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2468
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-2026-646410.60% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all scored CVEs.
- Low exploitation riskCVE-2026-646420.95% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all scored CVEs.
- Low exploitation riskCVE-2026-646430.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all scored CVEs.
- Low exploitation riskCVE-2026-646440.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all scored CVEs.
- Low exploitation riskCVE-2026-646450.65% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all scored CVEs.
- Low exploitation riskCVE-2026-646460.53% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all scored CVEs.
- Low exploitation riskCVE-2026-646470.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
- Low exploitation riskCVE-2026-646480.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
- Low exploitation riskCVE-2026-646490.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-64641 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-64642 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-64643 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-64644 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-64645 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-64646 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-64647 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-64648 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-64649 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- mediumCVE-2026-64649: Next.js is a React framework for building full-stack web applications. In versions 14.1.1 thro…nvd
- mediumCVE-2026-64648: Next.js is a React framework for building full-stack web applications. In versions 12.0.0 thro…nvd
- mediumCVE-2026-64647: Next.js is a React framework for building full-stack web applications. In versions 12.0.0 thro…nvd
- mediumCVE-2026-64646: Next.js is a React framework for building full-stack web applications. In versions 13.0.0 thro…nvd
- mediumCVE-2026-64645: Next.js is a React framework for building full-stack web applications. In versions 12.0.0 thro…nvd
- mediumCVE-2026-64644: Next.js is a React framework for building full-stack web applications. In versions 15.5.0 thro…nvd
- mediumCVE-2026-64643: Next.js is a React framework for building full-stack web applications. In versions 12.0.0 thro…nvd
- highCVE-2026-64642: Next.js is a React framework for building full-stack web applications. In versions 16.0.0 thro…nvd
- highCVE-2026-64641: Next.js is a React framework for building full-stack web applications. In versions 13.0.0 thro…nvd
- highGHSA-89xv-2m56-2m9x: Next.js: Server-Side Request Forgery in Server Actions on custom serversghsa
- mediumGHSA-68g3-v927-f742: Next.js: Cache confusion of response bodies for requests with bodiesghsa
- mediumGHSA-4633-3j49-mh5q: Next.js: Cache confusion of response bodies for requests with bodies containing invalid U…ghsa
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 vulnerabilities allow denial of servicecert-bund · 2026-07-02
- medium[UPDATE] [medium] Vercel Next.js: Multiple vulnerabilitiescert-bund · 2026-07-02
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