CVE-2026-23870 (GCVE-0-2026-23870)
Vulnerability from cvelistv5 – Published: 2026-05-06 16:24 – Updated: 2026-05-06 19:06
VLAI
EPSS
VEX
Summary
A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-06 19:03 UTC
CWE
- (CWE-502) Deserialization of Untrusted Data, (CWE-400) Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/facebook/react/security/adviso… | x_refsource_CONFIRM |
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Meta | react-server-dom-turbopack |
Affected:
19.0.0 , ≤ 19.0.5
(semver)
Affected: 19.1.0 , ≤ 19.1.6 (semver) Affected: 19.2.0 , ≤ 19.2.5 (semver) |
guessed | |
| Meta | react-server-dom-parcel |
Affected:
19.0.0 , ≤ 19.0.5
(semver)
Affected: 19.1.0 , ≤ 19.1.6 (semver) Affected: 19.2.0 , ≤ 19.2.5 (semver) |
guessed | |
| Meta | react-server-dom-webpack |
Affected:
19.0.0 , ≤ 19.0.5
(semver)
Affected: 19.1.0 , ≤ 19.1.6 (semver) Affected: 19.2.0 , ≤ 19.2.5 (semver) |
guessed |
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Sightings
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
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They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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