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Vulnerability Database · Hex · Package report

gun: vulnerability history, versions and safety

gun is a package in the Hex ecosystem. Vulert records 6 vulnerabilities for it across 19 releases, first recorded in Jun 2026. 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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6 vulnerabilities recorded H2 M1 U3
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0 with no fix published

Every vulnerability has a patched version to move to.

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6 in the last 12 months

Most recent disclosure 08 Jun 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all gun vulnerabilities

Vulert verdict on gun 2.7.0 i

Updated on 23 Oct 2026

Good news: 2.7.0, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 6.

Package health score 79/100
  • Security Some issues to review
  • Maintenance Sustainable
  • Popularity Key ecosystem project
  • Community Not enough data

What to do: Stay on 2.7.0 or newer. This can change: a vulnerability disclosed tomorrow can affect 2.7.0 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 2.7.0 — unaffected i
  • Vulnerabilities on record 6 over 1 year · 6 in the last year i
  • Latest disclosure 08 Jun 2026 i
  • Highest CVSS 8.7 i
  • With no published fix 0 i
  • Depended on by 15,713,927 packages i
  • Last release this month i

Version list, release dates, licence and dependants published by hex.pm, 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 gun, 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
2.7.0 08 Oct 2026 none — — Details →
2.6.0 08 Sep 2026 none — — Details →
2.5.0 28 Jul 2026 none — — Details →
2.4.1 11 Jun 2026 none — — Details →
2.4.0 08 Jun 2026 none — — Details →
2.3.0 12 May 2026 H2 M1 U3 — Yes Details →
2.2.0 11 Apr 2025 H2 M1 U3 — Yes Details →
2.1.0 14 Mar 2024 H2 M1 U3 — Yes Details →
2.0.1 28 Apr 2023 H2 M1 U3 — Yes Details →
2.0.0 24 Jan 2023 H2 M1 U3 — Yes Details →
2.0.0-rc.2 24 May 2021 H1 U1 — Yes Details →
2.0.0-rc.1 20 Nov 2020 H1 U1 — Yes Details →
1.3.3 26 Aug 2020 H1 U1 — Yes Details →
1.3.2 02 Mar 2020 H1 U1 — Yes Details →
1.3.1 02 Oct 2019 H1 U1 — Yes Details →
1.3.0 01 Oct 2018 H1 U1 — Yes Details →
1.2.0 29 Sep 2018 H1 U1 — Yes Details →
1.1.0 28 Aug 2018 H1 U1 — Yes Details →
1.0.0 27 Jul 2018 H1 U1 — Yes Details →
1.0.0-pre.4b 18 Jan 2018 H1 U1 — Yes Details →
1.0.0-pre.5 24 Jan 2018 H1 U1 — Yes Details →
1.0.0-pre.4 16 Jan 2018 H1 U1 — Yes Details →
1.0.0-pre.2 13 Feb 2017 H1 U1 — Yes Details →
1.0.0-pre.1 20 Jan 2016 H1 U1 — Yes Details →

All 24 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2026 6

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 6 of the 6 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for gun

The 5 most severe of 6 vulnerabilities recorded for this package

Search all 6 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2026-43973: Gun HTTP/1.1 Response Buffer Memory Exhaustion Vulnerability 8.7 high 2.4.0 08 Jun 2026
CVE-2026-43974: gun HTTP/1.1 Client Protocol Hijack and OOM Vulnerability 8.7 high 2.4.0 08 Jun 2026
CVE-2026-43974: gun Package Vulnerability Leading to Raw Protocol Mode Exploitation 8.7 high 2.4.0 08 Jun 2026
CVE-2026-43973: gun Package Uncontrolled Resource Consumption Vulnerability 8.7 high 2.4.0 08 Jun 2026
CVE-2026-43972: gun Package Cross-Origin Cookie Injection via HTTP/2 PUSH_PROMISE 6.3 medium 2.4.0 08 Jun 2026

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

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Questions

About gun

Is gun safe to use?

Vulert records 6 vulnerabilities for gun in Hex: 0 critical, 2 high, 1 medium and 0 low, plus 3 not yet rated. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

What is gun's Vulert package health score?

Vulert scores gun 79/100, 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 gun affected?

No. 2.7.0, 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.

How many vulnerabilities does gun have?

6 vulnerabilities are recorded for gun in the Hex ecosystem: 0 critical, 2 high, 1 medium and 0 low, plus 3 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new gun vulnerabilities disclosed?

6 vulnerabilities were recorded for gun in the last 12 months, and the oldest entry in this database dates to 08 Jun 2026. 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 gun 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 gun for upcoming vulnerabilities?

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