CVE-2025-55183
MEDIUM 5.3EPSS 64.2%
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.
- CVSS v3.1
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS v3.1
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - EPSS
- 64.23% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2025-12-11
- Updated
- 2026-01-07
Proof-of-concept exploits (5)
- EvtDanya/rsc-vulnerabilities
- Saturate/CVE-2025-55183
- X-Cotang/CVE-2025-55183_POC
- kimtruth/CVE-2025-55183-poc
- pjt3591oo/2025-55184_2025-55183-_poc