Vulnerability details
CVE-2026-44907
Meta react-server-dom-parcelMeta react-server-dom-turbopackMeta react-server-dom-webpack
CVSS 3.1
7.5High
Official description
A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.7, 19.1.0 through 19.1.8, and 19.2.0 through 19.2.7).
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (Meta) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Meta | react-server-dom-parcel | 19.0.0 ≤ v ≤ 19.0.7 | CVEProject cvelistV5 (CNA) |
| Meta | react-server-dom-parcel | 19.1.0 ≤ v ≤ 19.1.8 | CVEProject cvelistV5 (CNA) |
| Meta | react-server-dom-parcel | 19.2.0 ≤ v ≤ 19.2.7 | CVEProject cvelistV5 (CNA) |
| Meta | react-server-dom-turbopack | 19.0.0 ≤ v ≤ 19.0.7 | CVEProject cvelistV5 (CNA) |
| Meta | react-server-dom-turbopack | 19.1.0 ≤ v ≤ 19.1.8 | CVEProject cvelistV5 (CNA) |
| Meta | react-server-dom-turbopack | 19.2.0 ≤ v ≤ 19.2.7 | CVEProject cvelistV5 (CNA) |
| Meta | react-server-dom-webpack | 19.0.0 ≤ v ≤ 19.0.7 | CVEProject cvelistV5 (CNA) |
| Meta | react-server-dom-webpack | 19.1.0 ≤ v ≤ 19.1.8 | CVEProject cvelistV5 (CNA) |
| Meta | react-server-dom-webpack | 19.2.0 ≤ v ≤ 19.2.7 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://github.com/react/react/security/advisories/GHSA-wx67-qw84-cm4g x_refsource_CONFIRM
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Details
- Published
- 2026-07-21
- Last updated
- 2026-07-21
- State
- Published
- Assigner (CNA)
- Meta
Exploit prediction (EPSS)
0.6%
Probability of exploitation in 30 days
48.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- —