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Vulnerability Database · npm · Package report

pac-resolver: vulnerability history, versions and safety

pac-resolver is a package in the npm ecosystem. Vulert records 1 vulnerability for it across 18 releases, first recorded in Sep 2021. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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1 vulnerabilities recorded H1
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0 with no fix published

Every vulnerability has a patched version to move to.

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0 in the last 12 months

Nothing new recorded in the last year.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all pac-resolver vulnerabilities

Vulert verdict on pac-resolver 9.0.1 i

Updated on 23 Oct 2026

Good news: 9.0.1, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 1.

Package health score 74/100
  • Security Minor issues
  • Maintenance Sustainable
  • Popularity Widely used
  • Community Quiet

What to do: Stay on 9.0.1 or newer. This can change: a vulnerability disclosed tomorrow can affect 9.0.1 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 9.0.1 — unaffected i
  • Vulnerabilities on record 1 over 1 year · 0 in the last year i
  • Latest disclosure 02 Sep 2021 i
  • Highest CVSS 8.1 i
  • With no published fix 0 i
  • Depended on by 804 packages i
  • Stars 1,166 i
  • OpenSSF scorecard 2/10 i
  • Last release 6 months ago i
  • Licence MIT i

Version list, release dates, licence and dependants published by the npm registry, refreshed 23 Oct 2026. Licence information is not legal advice.

Concerned about your application's security?

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01 Versions

Which versions are affected

Every version Vulert tracks for pac-resolver, newest first, with the vulnerabilities recorded against each one. A version showing none has no vulnerability in the Vulert database — open it for the full picture on that release.

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Version Released Vulert vulnerabilities Licence Fix published Details
9.0.1 06 Apr 2026 none MIT — Details →
9.0.0 01 Apr 2026 none MIT — Details →
8.0.0 11 Mar 2026 none MIT — Details →
7.0.1 12 Feb 2024 none MIT — Details →
7.0.0 18 Jul 2023 none MIT — Details →
6.0.2 29 Jun 2023 none MIT — Details →
6.0.1 05 May 2023 none MIT — Details →
6.0.0 04 May 2023 none MIT — Details →
5.0.1 25 May 2022 none MIT — Details →
5.0.0 12 Jul 2021 none MIT — Details →
4.2.0 31 Mar 2021 H1 MIT Yes Details →
4.1.1 31 Mar 2021 H1 MIT Yes Details →
4.1.0 08 Feb 2020 H1 MIT Yes Details →
4.0.0 05 Feb 2020 H1 MIT Yes Details →
3.0.0 13 Jun 2017 H1 MIT Yes Details →
2.0.0 09 Nov 2016 H1 MIT Yes Details →
1.3.0 26 Sep 2016 H1 MIT Yes Details →
1.2.6 22 Feb 2015 H1 MIT Yes Details →
1.2.5 20 Feb 2015 H1 MIT Yes Details →
1.2.4 22 Nov 2014 H1 MIT Yes Details →
1.2.3 22 Nov 2014 H1 MIT Yes Details →
1.2.2 21 May 2014 H1 MIT Yes Details →
1.2.1 04 Apr 2014 H1 MIT Yes Details →
1.2.0 28 Jan 2014 H1 MIT Yes Details →
1.1.0 25 Jan 2014 H1 MIT Yes Details →
1.0.0 08 Jan 2014 H1 MIT Yes Details →
0.0.2 30 Dec 2013 H1 MIT Yes Details →
0.0.1 09 Dec 2013 H1 MIT Yes Details →

All 28 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2021 1

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 1 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for pac-resolver

The 1 most severe of 1 vulnerabilities recorded for this package

Search all 1 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2021-23406: Code Injection in pac-resolver 8.1 high 5.0.0 02 Sep 2021

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About pac-resolver

Is pac-resolver safe to use?

Vulert records 1 vulnerabilities for pac-resolver in npm: 0 critical, 1 high, 0 medium and 0 low. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

What is pac-resolver's Vulert package health score?

Vulert scores pac-resolver 74/100, which reads as in good shape. The score weighs the vulnerability record (40), maintenance and release cadence (25), adoption from dependents and stars (20) and community signals such as the OpenSSF scorecard and forks (15).

Is the latest version of pac-resolver affected?

No. 9.0.1, the version you would install today, has no vulnerabilities on record against it. Earlier releases do — the version table above lists each release with what affects it.

Which version of pac-resolver should I use?

9.0.1 is the version Vulert recommends for the affected releases. The version table above lists every release with the vulnerabilities recorded against it, so you can confirm the range you actually run.

How many vulnerabilities does pac-resolver have?

1 vulnerability is recorded for pac-resolver in the npm ecosystem: 0 critical, 1 high, 0 medium and 0 low. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new pac-resolver vulnerabilities disclosed?

0 vulnerabilities were recorded for pac-resolver in the last 12 months, and the oldest entry in this database dates to 02 Sep 2021. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of pac-resolver are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor pac-resolver for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the pac-resolver version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.