CRITICALCVSS 10.0Actively exploited · CISA KEV since 2025-12-05Vulnerability

CVE-2025-55182

Meta React Server Components contains a remote code execution vulnerability that could allow unauthenticated remote code execution by exploiting a flaw in how React decodes payloads sent to React Server Function endpoints. Please note CVE-2025-66478 has been rejected, but it is associated with CVE-2025- 55182.

Properties

Euvd product
react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack
Vulnerability name
Meta React Server Components Remote Code Execution Vulnerability
Cvss score
10
First seen
2026-01-29
Epss score
0.99802
Last seen
2026-10-19T12:00:27+00:00
Due date
2025-12-12
Euvd assigner
Meta
Circl context
Disrupting the World's Largest Residential Proxy Network
Retrieved at
2026-10-21T01:24:48+00:00
Exploited euvd since
2025-12-05T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2025-12-05
Score
10
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Meta
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)

Related Entities (125 · showing 45)

AFFECTS_PRODUCT (76 · showing 20)

→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary13:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary35:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary48:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary56:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary5:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary6:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary7:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary42:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary36:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary47:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary45:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary52:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary53:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary46:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary37:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary57:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary9:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary4:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary55:*:*:*:node.js:*:*
→[Product]cpe:2.3:a:vercel:next.js:15.6.0:canary8:*:*:*:node.js:*:*

MENTIONED_IN (44 · showing 20)

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→[Campaign]Threat Brief: Exploitation of PAN-OS Captive Portal Zero-Day for Unauthenticated Remote Code Execution
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INVOLVES (3)

←[EmergentSignal]velocity_anomaly
←[Signal]kev_added · 2025-12-05
←[EmergentSignal]velocity_anomaly

DESCRIBES (1)

←[KEVEntry]Meta React Server Components Remote Code Execution Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Deserialization of Untrusted Data

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CVE-2025-55182 (CVSS 10) — Ninja Signal Threat Intelligence | Ninja Signal