CVE-2025-55183
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.
CWE
- (none)
Affected
- Meta / react-server-dom-webpack — v=19.0.0 ≤19.0.1 [affected]; v=19.1.0 ≤19.1.2 [affected]; v=19.2.0 ≤19.2.1 [affected]
- Meta / react-server-dom-turbopack — v=19.0.0 ≤19.0.1 [affected]; v=19.1.0 ≤19.1.2 [affected]; v=19.2.0 ≤19.2.1 [affected]
- Meta / react-server-dom-parcel — v=19.0.0 ≤19.0.1 [affected]; v=19.1.0 ≤19.1.2 [affected]; v=19.2.0 ≤19.2.1 [affected]
CVSS
- 3.1 score=5.3 severity=MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- https://www.facebook.com/security/advisories/cve-2025-55183 x_refsource_CONFIRM
- https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components x_refsource_CONFIRM
Source
cvelistV5-main/cves/2025/55xxx/CVE-2025-55183.json