CVE-2026-44582

Published May 13, 2026

Last updated 16 hours ago

Overview

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.
Source
security-advisories@github.com
NVD status
Analyzed
Products
next.js

Risk scores

CVSS 3.1

Type
Secondary
Base score
3.7
Impact score
1.4
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Severity
LOW

Weaknesses

security-advisories@github.com
CWE-328

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.