onyx

onyx --cves cve-2025-55183

CVE-2025-55183

MEDPOCNext.js, React
score
<0.1
cvss
5.3
epss
64.2%
published
2025-12-11
kev added
—
first seen

React Server Components 19.0.0 to 19.2.1 including react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack contain an information disclosure vulnerability caused by unsafe handling of Server Function requests, letting attackers retrieve source code of Server Functions, exploit requires a Server Function exposing a stringified argument.

Timeline

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

events2025-12-11 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 64.2%2026-09-23: epss 64.2%2026-09-24: epss 64.2%2026-09-25: epss 64.2%2026-09-26: epss 64.2%2026-09-27: epss 64.2%2026-09-29: epss 64.2%2026-09-30: epss 64.2%2026-10-01: epss 64.2%2026-10-02: epss 64.2%2026-10-03: epss 64.2%2026-10-04: epss 64.2%2026-10-05: epss 64.2%2026-10-06: epss 64.2%2026-10-07: epss 64.2%2026-10-08: epss 64.2%2026-10-09: epss 64.2%2026-10-10: epss 64.2%2026-10-11: epss 64.2%2026-10-12: epss 64.2%2026-10-13: epss 64.2%2026-10-14: epss 64.2%2026-10-15: epss 64.2%2026-10-16: epss 64.2%2026-10-18: epss 64.2%2026-10-19: epss 64.2%2026-10-20: epss 64.2%2026-10-21: epss 64.2%64.2%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

NVD-CWE-noinfo

References 2