7.5

CVE-2026-44907: meta react-server-dom-parcel

CVSS: 7.5v3.1HighAwaiting analysis
AliasesGHSA-wx67-qw84-cm4g
Published 21-07-2026Last modified 21-07-2026
Open JSON

Vulnerability summary

CVE-2026-44907 is a high (CVSS 7.5) vulnerability in meta react-server-dom-parcel. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-07-2026
    PublishedVulnerability first disclosed.
  2. 21-07-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

0.00 pp

From 0.60% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Meta3 products
Npm3 products
  • react-server-dom-parcel≥ 19.1.0, < 19.1.9 | ≥ 19.2.0, < 19.2.8
  • react-server-dom-turbopack≥ 19.0.0, < 19.0.8 | ≥ 19.1.0, < 19.1.9 | ≥ 19.2.0, < 19.2.8
  • react-server-dom-webpack≥ 19.0.0, < 19.0.8 | ≥ 19.1.0, < 19.1.9 | ≥ 19.2.0, < 19.2.8

2 vendors · 6 products

References

3 links