7.5

CVE-2025-55184: facebook react Deserialization of Untrusted Data

CVSS: 7.5v3.1HighModified
AliasesGHSA-2m3v-v2m8-q956
Published 11-12-2025Last modified 15-12-2025
Open JSON

Vulnerability summary

CVE-2025-55184 is a high (CVSS 7.5) Deserialization of Untrusted Data vulnerability in facebook react. EPSS estimates a 66.88% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
53/100
0100
High · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
66.88%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 11-12-2025
    PublishedVulnerability first disclosed.
  2. 15-12-2025
    Last modifiedVulnerability information updated.

Description

A pre-authentication denial of service vulnerability exists in 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. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints, which can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

66.88%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 66.88% on 19-09-2026

19-09-202619-10-2026
EPSS score
66.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cve 2025 55184

    Maturity: poc

Weaknesses

CWE · root cause

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≥ 13.3.0, < 14.2.35 | ≥ 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

6 links