GHSA-673q-mjm6-r5xr

    Dashboard / Vulnerabilities / GHSA-673q-mjm6-r5xr

    GHSA-673q-mjm6-r5xr

    Published: 22 Oct 2026Last Modified: 22 Oct 2026

    Summary: Next.js: Unauthenticated Remote Code Execution in `use cache` functions returning typed arrays

    Details: ## Impact A vulnerability in applications using App router with Cache Component can lead to remote code execution. The application needs to have a `use cache` function that returns multiple typed arrays. ## Workaround There is no known workaround for affected applications with such `use cache` functions. You should upgrade immediately even if your application does not have similar functions.

    References: https://github.com/vercel/next.js/security/advisories/GHSA-673q-mjm6-r5xr, https://github.com/vercel/next.js/commit/a4cea6aec5da89d116b8960e113189cf51745d2f, https://github.com/vercel/next.js, https://github.com/vercel/next.js/releases/tag/v16.4.1

    Affected packages

    Package

    Name: next

    Purl: pkg:npm/next

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 16.0.0
    Fixed -16.4.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High