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Next.js HTTP request deserialization can lead to DoS when using insecure React Server Components

🗓️ 28 Jan 2026 15:38:01Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 246 Views

Deserialization flaw in React Server Components 19.0–19.2 used by Next.js App Router can cause DoS.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
akamaiblog
Akamai Blog
CVE-2026-23864: React and Next.js Denial of Service via Memory Exhaustion
26 Jan 202612:00
–akamaiblog
attackerkb
attackerkb
CVE-2026-23864
26 Jan 202619:16
–attackerkb
bdu_fstec
BDU FSTEC
React-server-dom-parcel React Server Failure
18 Feb 202600:00
–bdu_fstec
circl
Circl
CVE-2026-23864
26 Jan 202619:51
–circl
cnnvd
CNNVD
Meta React Server Components security vulnerabilities
26 Jan 202600:00
–cnnvd
cve
CVE
CVE-2026-23864
26 Jan 202619:16
–cve
cvelist
Cvelist
CVE-2026-23864
26 Jan 202619:16
–cvelist
euvd
EUVD
EUVD-2026-4673
29 Jan 202615:00
–euvd
f5
F5 Networks
K000159700: React framework vulnerability CVE-2026-23864
27 Jan 202602:09
–f5
github
Github Security Blog
React Server Components have multiple Denial of Service Vulnerabilities
29 Jan 202615:00
–github
Rows per page
Vulners
Node
OR
nextnextRange16.1.0-canary.0–16.1.5npm
nextnextRange16.0.0-beta.0–16.0.11npm
nextnextRange15.6.0-canary.0–15.6.0-canary.61npm
nextnextRange15.5.1-canary.0–15.5.10npm
nextnextRange15.4.0-canary.0–15.4.11npm
nextnextRange15.3.0-canary.0–15.3.9npm
nextnextRange15.2.0-canary.0–15.2.9npm
nextnextRange15.1.1-canary.0–15.1.12npm
nextnextRange13.0.0–15.0.8npm

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28 Jan 2026 15:38Current
7.4High risk
Vulners AI Score7.4
CVSS 3.17.5
EPSS0.02581
SSVC
246