onyx

onyx --cves cve-2026-44582

CVE-2026-44582

score
<0.1
cvss
3.7
epss
0.2%
published
2026-05-13
kev added
—
first seen

Next.js 13.4.6 to before 15.5.16 and 16.2.5 contains a cache poisoning vulnerability caused by collisions in the _rsc cache-busting value in React Server Component responses, letting attackers poison shared caches to serve incorrect response variants, exploit requires shared cache with insufficient response partitioning.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2026-05-13 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 0.2%2026-09-23: epss 0.2%2026-09-24: epss 0.2%2026-09-25: epss 0.2%2026-09-26: epss 0.2%2026-09-27: epss 0.2%2026-09-29: epss 0.2%2026-09-30: epss 0.2%2026-10-01: epss 0.2%2026-10-02: epss 0.2%2026-10-03: epss 0.2%2026-10-04: epss 0.2%2026-10-05: epss 0.2%2026-10-06: epss 0.2%2026-10-07: epss 0.2%2026-10-08: epss 0.2%2026-10-09: epss 0.2%2026-10-10: epss 0.2%2026-10-11: epss 0.2%2026-10-12: epss 0.2%2026-10-13: epss 0.2%2026-10-14: epss 0.2%2026-10-15: epss 0.2%2026-10-16: epss 0.2%2026-10-18: epss 0.2%2026-10-19: epss 0.2%2026-10-20: epss 0.2%2026-10-21: epss 0.2%0.2%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-328

References 1