CVE-2025-67779

It was found that the fix addressing CVE-2025-55184 in React Server Components was incomplete and does not prevent a denial of service attack in a specific case. React Server Components versions 19.0.2, 19.1.3 and 19.2.2 are affected, allowing unsafe deserialization of payloads from HTTP requests to Server Function endpoints. This can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.

Published: 2025-12-12 Last update: 2025-12-12 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-67779 is rated Moderate Risk (59.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.65%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-67779

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-29 0.66% 1.65% +0.98%
2 2026-05-21 0.45% 0.66% +0.22%
3 2026-05-10 — 0.45% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-67779

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-67779

GitHub Security Advisory for CVE-2025-67779

GHSA-7gmr-mq3h-m5h9 · Severity: high · Ecosystem: npm — Denial of Service Vulnerability in React Server Components

OS Trackers for CVE-2025-67779

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2025-67779

Affected software / configurations for CVE-2025-67779

Vendor Product Version Raw CPE
facebook react 19.0.2 cpe:2.3:a:facebook:react:19.0.2:*:*:*:*:*:*:*
facebook react 19.1.3 cpe:2.3:a:facebook:react:19.1.3:*:*:*:*:*:*:*
facebook react 19.2.2 cpe:2.3:a:facebook:react:19.2.2:*:*:*:*:*:*:*
vercel next.js >= 13.3.0, < 14.2.35 cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
vercel next.js >= 15.0.0, < 15.0.7 cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
vercel next.js >= 15.1.0, < 15.1.11 cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
vercel next.js >= 15.2.0, < 15.2.8 cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
vercel next.js >= 15.3.0, < 15.3.8 cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
vercel next.js >= 15.4.0, < 15.4.10 cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
vercel next.js >= 15.5.0, < 15.5.9 cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
vercel next.js >= 16.0.0, < 16.0.10 cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:-:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary0:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary1:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary10:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary11:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary12:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary13:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary14:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary15:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary16:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary17:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary18:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary19:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary2:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary20:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary21:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary22:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary23:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary24:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary25:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary26:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary27:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary28:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary29:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary3:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary30:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary31:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary32:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary33:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary34:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary35:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary36:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary37:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary38:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary39:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary4:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary40:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary41:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary42:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary43:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary44:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary45:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary46:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary47:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary48:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary49:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary5:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary50:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary51:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary52:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary53:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary54:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary55:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary56:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary57:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary58:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary59:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary6:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary7:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary8:*:*:*:node.js:*:*
vercel next.js 15.6.0 cpe:2.3:a:vercel:next.js:15.6.0:canary9:*:*:*:node.js:*:*
vercel next.js 16.1.0 cpe:2.3:a:vercel:next.js:16.1.0:-:*:*:*:node.js:*:*
vercel next.js 16.1.0 cpe:2.3:a:vercel:next.js:16.1.0:canary0:*:*:*:node.js:*:*
vercel next.js 16.1.0 cpe:2.3:a:vercel:next.js:16.1.0:canary1:*:*:*:node.js:*:*
vercel next.js 16.1.0 cpe:2.3:a:vercel:next.js:16.1.0:canary10:*:*:*:node.js:*:*
vercel next.js 16.1.0 cpe:2.3:a:vercel:next.js:16.1.0:canary11:*:*:*:node.js:*:*
vercel next.js 16.1.0 cpe:2.3:a:vercel:next.js:16.1.0:canary12:*:*:*:node.js:*:*
vercel next.js 16.1.0 cpe:2.3:a:vercel:next.js:16.1.0:canary13:*:*:*:node.js:*:*
vercel next.js 16.1.0 cpe:2.3:a:vercel:next.js:16.1.0:canary14:*:*:*:node.js:*:*

References for CVE-2025-67779

cvelogic Threat Intelligence