CVE-2025-66478
criticalrejectedpriority · track · 10exploit · weaponizedDENLRejected reason: This CVE is a duplicate of CVE-2025-55182.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (26)
Public proof-of-concept and weaponised exploit code.
- DavionGowie/-vercel-application-is-vulnerable-to-CVE-2025-66478.bug bountyPoC · poc_in_github
- ExpTechTW/CVE-2025-66478ExpTechTW/CVE-2025-66478PoC · poc_in_github
- Jibaru/CVE-2025-66478-github-patcherJibaru/CVE-2025-66478-github-patcherPoC · poc_in_github
affected products (26)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0380Kwetsbaarheden verholpen in React Server ComponentsNL2025-12-03csaf · ncsc_nlNL
React heeft kwetsbaarheden verholpen in bepaalde versies van React Server Components (specifiek voor versies 19.0.0, 19.1.0, 19.1.1 en 19.2.0).
- WID-SEC-W-2025-2738Vercel Next.js und React Server Components (React2Shell): Schwachstelle ermöglicht CodeausführungDeutsch2025-12-03csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Vercel Next.js und React ausnutzen, um beliebigen Programmcode auszuführen.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6) enisa_euvd
External citations — patches, advisories, analysis.
- https://github.com/facebook/react/security/advisories/GHSA-fv66-9v8q-g76r
- https://github.com/vercel/next.js
- https://github.com/vercel/next.js/security/advisories/GHSA-9qr9-h5gf-34mp
- https://github.com/vitejs/vite-plugin-react/security/advisories/GHSA-fmh4-wr37-44fp
- https://nvd.nist.gov/vuln/detail/CVE-2025-55182
- https://nvd.nist.gov/vuln/detail/CVE-2025-66478
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