VDB
GHSA-83fc-fqcc-2hmg
GHSA-83fc-fqcc-2hmg
PUBLISHED
CVSS 7.5 HIGH
React Server Components have multiple Denial of Service Vulnerabilities
Record from GitHub Advisory Database · Published January 29, 2026
react-server-dom-parcel is fixed in 19.2.4, 19.1.5 and 19.0.4 (npm)
React Server Components have multiple Denial of Service Vulnerabilities
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| react-server-dom-parcel | npm | 19.2.4, 19.1.5, 19.0.4 |
| react-server-dom-turbopack | npm | 19.2.4, 19.1.5, 19.0.4 |
| react-server-dom-webpack | npm | 19.2.4, 19.1.5, 19.0.4 |
Risk scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| npm | react-server-dom-turbopack | 19.0.0 |
| npm | react-server-dom-webpack | 19.0.0 |
| npm | react-server-dom-parcel | 19.0.0 |
Timeline
- Jan 29, 2026 CVE Published
- Apr 30, 2026 Security Advisory
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GHSA-83fc-fqcc-2hmg
vulnetix vdb fixes GHSA-83fc-fqcc-2hmg
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/GHSA-83fc-fqcc-2hmg/fixes/registry"
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References
- https://nvd.nist.gov/vuln/detail/CVE-2026-23864 advisory
- https://www.facebook.com/security/advisories/cve-2026-23864 url
- https://github.com/facebook/react package
- https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components url
- https://github.com/facebook/react/security/advisories/GHSA-83fc-fqcc-2hmg url