Is tough-cookie 2.3 vulnerable?

npm · 5 releases from 2.3.0 to 2.3.4 · latest tough-cookie is 6.0.2 · checked 2 Nov 2026

Yes: 1 known advisory

Yes. tough-cookie 2.3.4, the last 2.3 release, is affected by 1 known security advisory (1 medium), including CVE-2023-26136. 1 more affects earlier 2.3.x releases. Upgrade to 4.1.3 or later to fix all of them.

Upgrade with:npm install tough-cookie@4.1.3

Is your project affected?

Private repo? Upload its lockfile instead, or connect GitHub to check every repo.

Advisories affecting tough-cookie 2.3.4

  • MediumCVE-2023-26136GHSA-72xf-g2v4-qvf31 Jul 2023

    tough-cookie Prototype Pollution vulnerability

    Affected
    <4.1.3
    Fixed in
    4.1.3

Fixed within 2.3.x, affecting earlier releases

  • HighCVE-2017-15010GHSA-g7q5-pjjr-gqvp24 Jul 2018

    Regular Expression Denial of Service in tough-cookie

    Affected
    <2.3.3
    Fixed in
    2.3.3

Which of your client projects are still on tough-cookie 2.3?

NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact tough-cookie version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.

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Other tough-cookie versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the npm registry. Refreshed daily.