5.3

CVE-2025-55183: facebook react

CVSS: 5.3v3.1MediumAnalyzed
AliasesGHSA-925w-6v3x-g4j4
Published 11-12-2025Last modified 07-01-2026
Open JSON

Vulnerability summary

CVE-2025-55183 is a medium (CVSS 5.3) vulnerability in facebook react. EPSS estimates a 64.23% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
64.23%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 11-12-2025
    PublishedVulnerability first disclosed.
  2. 07-01-2026
    Last modifiedVulnerability information updated.

Description

An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

64.23%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 64.23% on 20-09-2026

20-09-202620-10-2026
EPSS score
64.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (react.dev)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Meta3 products
Npm3 products
  • react-server-dom-parcel≥ 19.0.0, < 19.0.2 | ≥ 19.1.0, < 19.1.3 | ≥ 19.2.0, < 19.2.2
  • react-server-dom-turbopack≥ 19.0.0, < 19.0.2 | ≥ 19.1.0, < 19.1.3 | ≥ 19.2.0, < 19.2.2
  • react-server-dom-webpack≥ 19.0.0, < 19.0.2 | ≥ 19.1.0, < 19.1.3 | ≥ 19.2.0, < 19.2.2
Facebook1 product
  • react≥ 19.0.0, < 19.0.2 | ≥ 19.1.0, < 19.1.3 | ≥ 19.2.0, < 19.2.2
Vercel1 product
  • next.js≥ 15.0.0, < 15.0.7 | ≥ 15.1.0, < 15.1.11 | ≥ 15.2.0, < 15.2.8 | ≥ 15.3.0, < 15.3.8 | ≥ 15.4.0, < 15.4.10 | ≥ 15.5.0, < 15.5.9 | ≥ 16.0.0, < 16.0.10 | 15.6.0 | 15.6.0:canary0 | 15.6.0:canary1 | 15.6.0:canary10 | 15.6.0:canary11 | 15.6.0:canary12 | 15.6.0:canary13 | 15.6.0:canary14 | 15.6.0:canary15 | 15.6.0:canary16 | 15.6.0:canary17 | 15.6.0:canary18 | 15.6.0:canary19 | 15.6.0:canary2 | 15.6.0:canary20 | 15.6.0:canary21 | 15.6.0:canary22 | 15.6.0:canary23 | 15.6.0:canary24 | 15.6.0:canary25 | 15.6.0:canary26 | 15.6.0:canary27 | 15.6.0:canary28 | 15.6.0:canary29 | 15.6.0:canary3 | 15.6.0:canary30 | 15.6.0:canary31 | 15.6.0:canary32 | 15.6.0:canary33 | 15.6.0:canary34 | 15.6.0:canary35 | 15.6.0:canary36 | 15.6.0:canary37 | 15.6.0:canary38 | 15.6.0:canary39 | 15.6.0:canary4 | 15.6.0:canary40 | 15.6.0:canary41 | 15.6.0:canary42 | 15.6.0:canary43 | 15.6.0:canary44 | 15.6.0:canary45 | 15.6.0:canary46 | 15.6.0:canary47 | 15.6.0:canary48 | 15.6.0:canary49 | 15.6.0:canary5 | 15.6.0:canary50 | 15.6.0:canary51 | 15.6.0:canary52 | 15.6.0:canary53 | 15.6.0:canary54 | 15.6.0:canary55 | 15.6.0:canary56 | 15.6.0:canary57 | 15.6.0:canary58 | 15.6.0:canary59 | 15.6.0:canary6 | 15.6.0:canary7 | 15.6.0:canary8 | 15.6.0:canary9 | 16.1.0 | 16.1.0:canary0 | 16.1.0:canary1 | 16.1.0:canary10 | 16.1.0:canary11 | 16.1.0:canary12 | 16.1.0:canary13 | 16.1.0:canary14 | 16.1.0:canary15 | 16.1.0:canary16 | 16.1.0:canary17 | 16.1.0:canary18 | 16.1.0:canary2 | 16.1.0:canary3 | 16.1.0:canary4 | 16.1.0:canary5 | 16.1.0:canary6 | 16.1.0:canary7 | 16.1.0:canary8 | 16.1.0:canary9

4 vendors · 8 products

References

5 links