CVE-2026-94482

highpriority · track · 0EPSS 0.004 · 30 %ileUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (30th) EPSS

CVSS 8.2 · high

Is it mine?

2 products

Check your exposure

Who says so?

1 sources

osv

EPSS · scored 2026-10-27

Next.js is a React framework for building full-stack web applications. From 13.0.0 until 15.5.28 and 16.4.1, crafted requests targeting App Router applications with at least one Server Action can cause excessive CPU consumption and block processing of further requests in the same process. Applications using the Pages Router and App Router applications without Server Actions are not affected. This issue is fixed in versions 15.5.28 and 16.4.1.

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.2

v4.08.2highCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security-advisories@github.com

v4.04.6mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USprimaryCWE-770US

affected products (2)

Products and version ranges known to be affected.

npm next13.0.0 → 15.5.28osvUSpkg:npm/next
npm next16.0.0 → 16.4.1osvUSpkg:npm/next

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-p3m5-59mp-jv5rNext.js: Denial of Service in App Router using Server Actions2026-10-22ghsa · osvUS
## Impact Crafted requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive CPU usage blocking processing of further requests in the same process. ## Workarounds No workaround exists besides upgrading. Applications using Pages Router or not using Server Actions are not vulnerable.

sources

Which sources assert this record, and when.

osv NVD CVE.org MITRE

published 2026-10-22modified 2026-10-22

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+3263 more

references (3) nvd

External citations — patches, advisories, analysis.

scry

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