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Vulnerability Database · npm · Package report

sapper: vulnerability history, versions and safety

sapper is a package in the npm ecosystem. Vulert records 1 vulnerability for it across 99 releases, first recorded in Sep 2020. 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 C1
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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 sapper vulnerabilities

Vulert verdict on sapper 0.29.3 i

Updated on 23 Oct 2026

Good news: 0.29.3, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 1.

Package health score 45/100
  • Security Minor issues
  • Maintenance Deprecated
  • Popularity Niche
  • Community Quiet

The registry marks the latest release as deprecated, which caps this score.

What to do: Stay on 0.29.3 or newer. This can change: a vulnerability disclosed tomorrow can affect 0.29.3 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 0.29.3 — unaffected i
  • Vulnerabilities on record 1 over 1 year · 0 in the last year i
  • Latest disclosure 03 Sep 2020 i
  • Highest CVSS n/a i
  • With no published fix 0 i
  • Depended on by 6 packages i
  • Stars 6,909 i
  • OpenSSF scorecard 3/10 i
  • Last release 60 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.

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01 Versions

Which versions are affected

Every version Vulert tracks for sapper, 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
0.29.3 30 Sep 2021 none MIT — Details →
0.29.2 21 Jul 2021 none MIT — Details →
0.29.1 03 Feb 2021 none MIT — Details →
0.29.0 22 Jan 2021 none MIT — Details →
0.28.10 02 Oct 2020 none MIT — Details →
0.28.9 25 Sep 2020 none MIT — Details →
0.28.8 20 Sep 2020 none MIT — Details →
0.28.7 15 Sep 2020 none MIT — Details →
0.28.6 09 Sep 2020 none MIT — Details →
0.28.5 06 Sep 2020 none MIT — Details →
0.28.4 03 Sep 2020 none MIT — Details →
0.28.3 30 Aug 2020 none MIT — Details →
0.28.2 26 Aug 2020 none MIT — Details →
0.28.1 25 Aug 2020 none MIT — Details →
0.28.0 07 Aug 2020 none MIT — Details →
0.27.16 15 Jun 2020 none MIT — Details →
0.27.15 11 Jun 2020 none MIT — Details →
0.27.14 09 Jun 2020 none MIT — Details →
0.27.13 13 May 2020 none MIT — Details →
0.27.12 01 Apr 2020 none MIT — Details →
0.27.11 20 Mar 2020 none MIT — Details →
0.27.10 25 Feb 2020 C1 MIT Yes Details →
0.27.9 24 Sep 2019 C1 MIT Yes Details →
0.27.8 29 Jul 2019 C1 MIT Yes Details →
0.27.7 28 Jul 2019 C1 MIT Yes Details →
0.27.6 28 Jul 2019 C1 MIT Yes Details →
0.27.5 28 Jul 2019 C1 MIT Yes Details →
0.27.4 10 Jun 2019 C1 MIT Yes Details →
0.27.3 10 Jun 2019 C1 MIT Yes Details →
0.27.2 08 Jun 2019 C1 MIT Yes Details →
0.27.1 21 May 2019 C1 MIT Yes Details →
0.27.0 09 May 2019 C1 MIT Yes Details →
0.26.1 05 May 2019 C1 non-standard Yes Details →
0.26.0 02 May 2019 C1 non-standard Yes Details →
0.25.1 21 Apr 2019 C1 non-standard Yes Details →
0.26.0-alpha.12 08 Mar 2019 C1 non-standard Yes Details →
0.26.0-alpha.11 05 Mar 2019 C1 non-standard Yes Details →
0.26.0-alpha.10 25 Feb 2019 C1 non-standard Yes Details →
0.26.0-alpha.9 21 Feb 2019 C1 non-standard Yes Details →
0.26.0-alpha.8 17 Feb 2019 C1 non-standard Yes Details →
0.26.0-alpha.7 08 Feb 2019 C1 non-standard Yes Details →
0.26.0-alpha.6 07 Feb 2019 C1 non-standard Yes Details →
0.26.0-alpha.5 07 Feb 2019 C1 non-standard Yes Details →
0.26.0-alpha.4 03 Feb 2019 C1 non-standard Yes Details →
0.26.0-alpha.3 03 Feb 2019 C1 non-standard Yes Details →
0.26.0-alpha.2 03 Feb 2019 C1 non-standard Yes Details →
0.25.0 01 Feb 2019 C1 non-standard Yes Details →
0.24.3 01 Feb 2019 C1 non-standard Yes Details →
0.24.2 31 Dec 2018 C1 non-standard Yes Details →
0.25.0-alpha2 23 Dec 2018 C1 non-standard Yes Details →
0.25.0-alpha1 21 Dec 2018 C1 non-standard Yes Details →
0.24.1 09 Dec 2018 C1 non-standard Yes Details →
0.24.0 27 Oct 2018 C1 non-standard Yes Details →
0.23.5 25 Oct 2018 C1 non-standard Yes Details →
0.23.4 24 Oct 2018 C1 non-standard Yes Details →
0.23.3 16 Oct 2018 C1 non-standard Yes Details →
0.23.2 16 Oct 2018 C1 non-standard Yes Details →
0.23.1 16 Oct 2018 C1 non-standard Yes Details →
0.23.0 09 Oct 2018 C1 non-standard Yes Details →
0.22.10 06 Oct 2018 C1 non-standard Yes Details →
0.22.9 02 Oct 2018 C1 non-standard Yes Details →
0.22.8 02 Oct 2018 C1 non-standard Yes Details →
0.22.7 02 Oct 2018 C1 non-standard Yes Details →
0.22.6 02 Oct 2018 C1 non-standard Yes Details →
0.22.5 01 Oct 2018 C1 non-standard Yes Details →
0.22.4 01 Oct 2018 C1 non-standard Yes Details →
0.22.3 01 Oct 2018 C1 non-standard Yes Details →
0.22.2 01 Oct 2018 C1 non-standard Yes Details →
0.22.1 01 Oct 2018 C1 non-standard Yes Details →
0.22.0 01 Oct 2018 C1 non-standard Yes Details →
0.21.1 24 Sep 2018 C1 non-standard Yes Details →
0.21.0 24 Sep 2018 C1 non-standard Yes Details →
0.20.4 19 Sep 2018 C1 non-standard Yes Details →
0.20.3 08 Sep 2018 C1 non-standard Yes Details →
0.20.2 07 Sep 2018 C1 non-standard Yes Details →
0.20.1 06 Sep 2018 C1 non-standard Yes Details →
0.20.0 04 Sep 2018 C1 non-standard Yes Details →
0.19.3 03 Sep 2018 C1 non-standard Yes Details →
0.19.2 03 Sep 2018 C1 non-standard Yes Details →
0.19.1 02 Sep 2018 C1 non-standard Yes Details →
0.19.0 02 Sep 2018 C1 non-standard Yes Details →
0.18.7 31 Aug 2018 C1 non-standard Yes Details →
0.18.6 31 Aug 2018 C1 non-standard Yes Details →
0.18.5 31 Aug 2018 C1 non-standard Yes Details →
0.18.4 31 Aug 2018 C1 non-standard Yes Details →
0.18.3 30 Aug 2018 C1 non-standard Yes Details →
0.18.2 30 Aug 2018 C1 non-standard Yes Details →
0.18.1 30 Aug 2018 C1 non-standard Yes Details →
0.18.0 30 Aug 2018 C1 non-standard Yes Details →
0.17.1 23 Aug 2018 C1 non-standard Yes Details →
0.17.0 20 Aug 2018 C1 non-standard Yes Details →
0.16.1 19 Aug 2018 C1 non-standard Yes Details →
0.16.0 19 Aug 2018 C1 non-standard Yes Details →
0.15.8 16 Aug 2018 C1 non-standard Yes Details →
0.15.7 10 Aug 2018 C1 non-standard Yes Details →
0.15.6 07 Aug 2018 C1 non-standard Yes Details →
0.15.5 03 Aug 2018 C1 non-standard Yes Details →
0.15.4 01 Aug 2018 C1 non-standard Yes Details →
0.15.3 31 Jul 2018 C1 non-standard Yes Details →
0.15.2 23 Jul 2018 C1 non-standard Yes Details →
0.15.1 23 Jul 2018 C1 — Yes Details →
0.15.0 23 Jul 2018 C1 — Yes Details →
0.14.2 15 Jul 2018 C1 — Yes Details →
0.14.1 02 Jul 2018 C1 — Yes Details →
0.14.0 28 Jun 2018 C1 — Yes Details →
0.13.6 27 Jun 2018 C1 — Yes Details →
0.13.5 26 Jun 2018 C1 — Yes Details →
0.13.4 19 Jun 2018 C1 — Yes Details →
0.13.3 16 Jun 2018 C1 — Yes Details →
0.13.2 15 Jun 2018 C1 — Yes Details →
0.13.1 05 Jun 2018 C1 — Yes Details →
0.13.0 28 May 2018 C1 — Yes Details →
0.12.0 05 May 2018 C1 — Yes Details →
0.11.1 04 May 2018 C1 — Yes Details →
0.11.0 04 May 2018 C1 — Yes Details →
0.10.7 04 May 2018 C1 — Yes Details →
0.10.6 19 Apr 2018 C1 — Yes Details →
0.10.5 07 Apr 2018 C1 — Yes Details →
0.10.4 04 Apr 2018 C1 — Yes Details →
0.10.3 02 Apr 2018 C1 — Yes Details →

The newest 120 of 192 versions Vulert tracks. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2020 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 sapper

The 1 most severe of 1 vulnerabilities recorded for this package

Search all 1 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Path Traversal Vulnerability in sapper N/A critical 0.27.11 03 Sep 2020

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 sapper

Is sapper safe to use?

Vulert records 1 vulnerabilities for sapper in npm: 1 critical, 0 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 sapper's Vulert package health score?

Vulert scores sapper 45/100, which reads as risky. 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). The registry marks the latest release as deprecated, which caps this score.

Is the latest version of sapper affected?

No. 0.29.3, 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 sapper should I use?

0.29.3 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 sapper have?

1 vulnerability is recorded for sapper in the npm ecosystem: 1 critical, 0 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 sapper vulnerabilities disclosed?

0 vulnerabilities were recorded for sapper in the last 12 months, and the oldest entry in this database dates to 03 Sep 2020. 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 sapper 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 sapper for upcoming vulnerabilities?

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