GHSA-4c39-4ccg-62r3

Suggest an improvement
Source
https://github.com/advisories/GHSA-4c39-4ccg-62r3
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-4c39-4ccg-62r3/GHSA-4c39-4ccg-62r3.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-4c39-4ccg-62r3
Aliases
Downstream
Published
2026-07-22T23:02:43Z
Modified
2026-09-10T03:50:51Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Next.js: Unbounded Server Action payload in Edge runtime
Details

Impact

Requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the Edge runtime

Workarounds

If you cannot upgrade, ensure your hosting provider limits the request's body size. 5 MiB should be allowed at max by your hosting provider.

Database specific 
{
    "cwe_ids": [
        "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-07-22T23:02:43Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
}
References

Affected packages

npm / next

Package

Name
next
View open source insights on deps.dev
Purl
pkg:npm/next

Affected ranges

Type
SEMVER
Events
Introduced
13.0.0
Fixed
15.5.21

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-4c39-4ccg-62r3/GHSA-4c39-4ccg-62r3.json"

npm / next

Package

Name
next
View open source insights on deps.dev
Purl
pkg:npm/next

Affected ranges

Type
SEMVER
Events
Introduced
16.0.0
Fixed
16.2.11

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-4c39-4ccg-62r3/GHSA-4c39-4ccg-62r3.json"