CVEvulnerability

CVE-2025-55183

5.3 MEDIUM Published 2025-12-11 Modified 2026-10-07 Official page ↗
Status
Analyzed
Published
2025-12-11
Last modified
2026-10-07
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.

Affected configurations

• vercel next.js (>= 15.0.0 < 15.0.7) • vercel next.js (>= 15.1.0 < 15.1.11) • vercel next.js (>= 15.2.0 < 15.2.8) • vercel next.js (>= 15.3.0 < 15.3.8) • vercel next.js (>= 15.4.0 < 15.4.10) • vercel next.js (>= 15.5.0 < 15.5.9) • vercel next.js (>= 16.0.0 < 16.0.10) • vercel next.js 15.6.0 • vercel next.js 16.1.0 • facebook react (>= 19.0.0 < 19.0.2) • facebook react (>= 19.1.0 < 19.1.3) • facebook react (>= 19.2.0 < 19.2.2)

References