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Vulnerability Database · npm · Package report

hermes-engine: vulnerability history, versions and safety

hermes-engine is a package in the npm ecosystem. Vulert records 7 vulnerabilities for it across 19 releases, from Jan 2022 to May 2022. 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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7 vulnerabilities recorded C4 H3
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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 hermes-engine vulnerabilities

Vulert verdict on hermes-engine 0.11.0 i

Updated on 23 Oct 2026

Good news: 0.11.0, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 7.

Package health score 45/100
  • Security Minor issues
  • Maintenance Deprecated
  • Popularity Key ecosystem project
  • Community Moderate

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

What to do: Stay on 0.11.0 or newer. This can change: a vulnerability disclosed tomorrow can affect 0.11.0 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 0.11.0 — unaffected i
  • Vulnerabilities on record 7 over 1 year · 0 in the last year i
  • Latest disclosure 24 May 2022 i
  • Highest CVSS 9.8 i
  • With no published fix 0 i
  • Depended on by 641 packages i
  • Stars 11,385 i
  • OpenSSF scorecard 5/10 i
  • Last release 56 months ago i
  • Licence MIT i

Version list, release dates, licence and dependants published by the npm registry, refreshed 22 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 hermes-engine, 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
0.11.0 27 Jan 2022 none MIT — Details →
0.10.0 14 Nov 2021 none MIT — Details →
0.9.0 02 Sep 2021 C1 MIT Yes Details →
0.8.1 15 Jul 2021 C1 MIT Yes Details →
0.8.0 29 Apr 2021 C1 MIT Yes Details →
0.7.2 09 Dec 2020 C2 MIT Yes Details →
0.7.1 08 Oct 2020 C3 H1 MIT Yes Details →
0.7.0 16 Sep 2020 C3 H1 MIT Yes Details →
0.6.0 04 Aug 2020 C3 H1 MIT Yes Details →
0.5.2-rc1 03 Aug 2020 C4 H3 MIT Yes Details →
0.4.3 03 Aug 2020 C4 H3 MIT Yes Details →
0.5.1 03 Aug 2020 C4 H3 MIT Yes Details →
0.5.0 13 Apr 2020 C4 H3 MIT Yes Details →
0.4.2-rc1 31 Mar 2020 C4 H3 MIT Yes Details →
0.4.1 30 Mar 2020 C4 H3 MIT Yes Details →
0.4.0 15 Jan 2020 C4 H3 MIT Yes Details →
0.3.0 11 Nov 2019 C4 H3 MIT Yes Details →
0.2.1 13 Sep 2019 C4 H3 MIT Yes Details →
0.1.1 27 Jul 2019 C4 H3 MIT Yes Details →
0.1.0 18 Jul 2019 C4 H3 MIT Yes Details →
0.0.0 17 Jul 2019 C4 H3 MIT Yes Details →

All 21 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2022 7

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 7 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for hermes-engine

The 5 most severe of 7 vulnerabilities recorded for this package

Search all 7 in the database →
Vulnerability Severity Fixed version ↑ Disclosed ↑
CVE-2021-24044: Hermes Engine - Access of Resource Using Incompatible Type 9.8 critical 0.10.0 16 Jan 2022
CVE-2021-24037: Use After Free in hermes-engine 9.8 critical 0.8.0 24 May 2022
CVE-2020-1914: Always-Incorrect Control Flow Implementation in Facebook Hermes 9.8 critical 0.7.2 24 May 2022
CVE-2020-1911: Incompatible Type Access in Facebook Hermes 9.8 critical 0.5.2 24 May 2022
CVE-2020-1913: Signed to Unsigned Conversion Error in Facebook Hermes 8.1 high 0.5.2 24 May 2022

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 hermes-engine

Is hermes-engine safe to use?

Vulert records 7 vulnerabilities for hermes-engine in npm: 4 critical, 3 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 hermes-engine's Vulert package health score?

Vulert scores hermes-engine 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 hermes-engine affected?

No. 0.11.0, 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 hermes-engine should I use?

0.11.0 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 hermes-engine have?

7 vulnerabilities are recorded for hermes-engine in the npm ecosystem: 4 critical, 3 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 hermes-engine vulnerabilities disclosed?

0 vulnerabilities were recorded for hermes-engine in the last 12 months, and the oldest entry in this database dates to 16 Jan 2022. 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 hermes-engine 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 hermes-engine for upcoming vulnerabilities?

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