CVE-2025-55182 - Meta React Server Components
AI Vulnerability ContextA pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.
Overview
A source-backed snapshot of this vulnerability.
CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.
Vulnerability status
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CISA KEVCRITICAL
- CVE ID
- CVE-2025-55182
- Vendor/project
- Meta
- Product
- React Server Components
- Vulnerability name
- Meta React Server Components Remote Code Execution Vulnerability
- Date added
- 2025-12-05
- Due date
- 2025-12-12
- Known ransomware campaign use
- Known
- CVSS v3
- 10.0
Exploit context
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Source evidence
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Original source
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NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2025-55182CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-datacve-assign@fb.comhttps://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-componentscve-assign@fb.comhttps://www.facebook.com/security/advisories/cve-2025-55182af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/12/03/4af854a3a-2127-422b-91ae-364da2661108https://news.ycombinator.com/item?id=46136026134c704f-9b21-4f2e-91b3-4a467353bcc0https://aws.amazon.com/blogs/security/china-nexus-cyber-threat-groups-rapidly-exploit-react2shell-vulnerability-cve-2025-55182/134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55182