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3.7 Low

CVE-2026-44582 Next.js is a React framework for building full-stack web applications

Description

Next.js is a React framework for building full-stack web applications. From 13.4.6 to before 15.5.16 and 16.2.5, React Server Component responses can be vulnerable to cache poisoning in deployments that rely on shared caches with insufficient response partitioning. In affected conditions, collisions in the _rsc cache-busting value can allow an attacker to poison cache entries so users receive the wrong response variant for a given URL. This vulnerability is fixed in 15.5.16 and 16.2.5.

Affected products and versions

Product Affected versions Fixed in
next.js 16.0 16.0.0 → < 16.2.5 16.2.5
next.js 13.4 13.4.6 → < 15.5.16 15.5.16

References

Timeline

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Other CVEs of next.js

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CVE-2026-94482 Next.js is a React framework for building full-stack web applications 8.2 High CVE-2026-94484 Next.js is a React framework for building full-stack web applications 6.3 Medium CVE-2026-94485 Next.js is a React framework for building full-stack web applications 6.3 Medium CVE-2026-94483 Next.js is a React framework for building full-stack web applications 8.3 High
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