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Vulnerability Database · Go · Package report

github.com/go-viper/mapstructure: vulnerability history, versions and safety

github.com/go-viper/mapstructure is a package in the Go ecosystem. Vulert records 2 vulnerabilities for it across 2 releases, from Jul 2025 to Aug 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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2 vulnerabilities recorded U2
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2 with no fix published

No patched version yet — these are the ones to plan around.

See the unfixed vulnerabilities →
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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 github.com/go-viper/mapstructure vulnerabilities

Vulert verdict on github.com/go-viper/mapstructure v0.0.0-20150513043545-ef1a074a2f69 i

Updated on 23 Oct 2026

Careful: v0.0.0-20150513043545-ef1a074a2f69 has 2 known vulnerabilities, and 2 have no fix yet. Use an earlier safe version, or the workaround listed for each one.

Package health score 56/100
  • Security Minor issues
  • Maintenance Slowing
  • Popularity Niche
  • Community Quiet

The current release has a vulnerability with no published fix, which caps this score.

What to do: Pin an earlier, unaffected release if you can, and apply the workaround each vulnerability lists until a fix is published. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →

  • Current release v0.0.0-20150513043545-ef1a074a2f69 — affected i
  • Vulnerabilities on record 2 over 1 year · 0 in the last year i
  • Latest disclosure 29 Aug 2025 i
  • Highest CVSS n/a i
  • With no published fix 2 i
  • Stars 485 i
  • OpenSSF scorecard 4/10 i
  • Last release 137 months ago i
  • Licence MIT i

Version list, release dates, licence and dependants published by the Go module proxy, refreshed 22 Oct 2026. Licence information is not legal advice.

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01 Versions

Which versions are affected

Every version Vulert tracks for github.com/go-viper/mapstructure, 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
v0.0.0-20150513043545-ef1a074a2f69 13 May 2015 U2 MIT No Details →
v0.0.0-20130807220823-5baf21657a68 07 Aug 2013 U2 MIT No Details →

All 2 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 2

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 2 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for github.com/go-viper/mapstructure

The 2 most severe of 2 vulnerabilities recorded for this package

Search all 2 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Sensitive Information Leak in Mapstructure Package - GO-2025-3787 N/A unrated No fix published 28 Jul 2025
Sensitive Information Leak in Go-viper's mapstructure Package N/A unrated No fix published 29 Aug 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 github.com/go-viper/mapstructure

Is github.com/go-viper/mapstructure safe to use?

Vulert records 2 vulnerabilities for github.com/go-viper/mapstructure in Go: 0 critical, 0 high, 0 medium and 0 low, plus 2 not yet rated. 2 of them have no published fix yet, so those are the ones to avoid or mitigate.

What is github.com/go-viper/mapstructure's Vulert package health score?

Vulert scores github.com/go-viper/mapstructure 56/100, which reads as usable, but worth attention. 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 current release has a vulnerability with no published fix, which caps this score.

Is the latest version of github.com/go-viper/mapstructure affected?

Yes. v0.0.0-20150513043545-ef1a074a2f69, the version you would install today, has 2 known vulnerabilities, and 2 has no published fix yet. Use an earlier unaffected release, or the workaround each vulnerability lists.

Which version of github.com/go-viper/mapstructure should I use?

v0.0.0-20150513043545-ef1a074a2f69 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 github.com/go-viper/mapstructure have?

2 vulnerabilities are recorded for github.com/go-viper/mapstructure in the Go ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 2 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 github.com/go-viper/mapstructure vulnerabilities disclosed?

0 vulnerabilities were recorded for github.com/go-viper/mapstructure in the last 12 months, and the oldest entry in this database dates to 28 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 github.com/go-viper/mapstructure 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 github.com/go-viper/mapstructure for upcoming vulnerabilities?

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