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Vulnerability Database · npm · Package report

on-headers: vulnerability history, versions and safety

on-headers is a package in the npm ecosystem. Vulert records 1 vulnerability for it across 4 releases, first recorded in Jul 2025. 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 L1
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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 on-headers vulnerabilities

Vulert verdict on on-headers 1.1.0 i

Updated on 23 Oct 2026

Good news: 1.1.0, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 1.

Package health score 75/100
  • Security Minor issues
  • Maintenance Maintaining
  • Popularity Widely used
  • Community Quiet

What to do: Stay on 1.1.0 or newer. This can change: a vulnerability disclosed tomorrow can affect 1.1.0 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 1.1.0 — unaffected i
  • Vulnerabilities on record 1 over 1 year · 0 in the last year i
  • Latest disclosure 17 Jul 2025 i
  • Highest CVSS 3.4 i
  • With no published fix 0 i
  • Depended on by 119,465 packages i
  • Stars 163 i
  • OpenSSF scorecard 4/10 i
  • Last release 15 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 on-headers, 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
1.1.0 17 Jul 2025 none MIT — Details →
1.0.2 22 Feb 2019 L1 MIT Yes Details →
1.0.1 30 Sep 2015 L1 MIT Yes Details →
1.0.0 10 Aug 2014 L1 MIT Yes Details →
0.0.0 14 May 2014 L1 MIT Yes Details →

All 5 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2025 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 on-headers

The 1 most severe of 1 vulnerabilities recorded for this package

Search all 1 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2025-7339: on-headers Package Vulnerable to HTTP Response Header Manipulation 3.4 low 1.1.0 17 Jul 2025

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 on-headers

Is on-headers safe to use?

Vulert records 1 vulnerabilities for on-headers in npm: 0 critical, 0 high, 0 medium and 1 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 on-headers's Vulert package health score?

Vulert scores on-headers 75/100, 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 on-headers affected?

No. 1.1.0, 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 on-headers should I use?

1.1.0 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 on-headers have?

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

How often are new on-headers vulnerabilities disclosed?

0 vulnerabilities were recorded for on-headers in the last 12 months, and the oldest entry in this database dates to 17 Jul 2025. 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 on-headers 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 on-headers for upcoming vulnerabilities?

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