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Vulnerability Database · PyPI · Package report

isso: vulnerability history, versions and safety

isso is a package in the PyPI ecosystem. Vulert records 2 vulnerabilities for it across 34 releases, from Feb 2026 to Jul 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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2 vulnerabilities recorded M1 U1
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0 with no fix published

Every vulnerability has a patched version to move to.

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2 in the last 12 months

Most recent disclosure 13 Jul 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all isso vulnerabilities

Vulert verdict on isso 0.14.0 i

Updated on 23 Oct 2026

Good news: 0.14.0, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 2.

Package health score 79/100
  • Security Minor issues
  • Maintenance Sustainable
  • Popularity Niche
  • Community Moderate

What to do: Stay on 0.14.0 or newer. This can change: a vulnerability disclosed tomorrow can affect 0.14.0 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 0.14.0 — unaffected i
  • Vulnerabilities on record 2 over 1 year · 2 in the last year i
  • Latest disclosure 13 Jul 2026 i
  • Highest CVSS 6.1 i
  • With no published fix 0 i
  • Stars 5,311 i
  • Last release 6 months ago i
  • Licence MIT i

Version list, release dates, licence and dependants published by PyPI, 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 isso, 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
0.14.0 26 Mar 2026 none MIT — Details →
0.13.2 20 Feb 2026 none MIT — Details →
0.13.1.dev0 05 Feb 2023 M1 U1 MIT Yes Details →
0.13.0 12 Jun 2022 M1 U1 MIT Yes Details →
0.12.6.2 23 Apr 2022 M1 U1 MIT Yes Details →
0.12.6.1 20 Mar 2022 M1 U1 MIT Yes Details →
0.12.6 15 Mar 2022 M1 U1 MIT Yes Details →
0.12.5 09 Mar 2021 M1 U1 MIT Yes Details →
0.12.4 03 Feb 2021 M1 U1 MIT Yes Details →
0.12.2 21 Jan 2019 M1 U1 MIT Yes Details →
0.12.1 19 Jan 2019 M1 U1 MIT Yes Details →
0.12.0 18 Jan 2019 M1 U1 MIT Yes Details →
0.11.1 03 Nov 2018 M1 U1 MIT Yes Details →
0.11.0 03 Nov 2018 M1 U1 MIT Yes Details →
0.10.6 22 Sep 2016 M1 U1 MIT Yes Details →
0.10.5 20 Sep 2016 M1 U1 MIT Yes Details →
0.10.4 12 Apr 2016 M1 U1 MIT Yes Details →
0.10.3 24 Feb 2016 M1 U1 MIT Yes Details →
0.10.2 21 Feb 2016 M1 U1 MIT Yes Details →
0.10.1 06 Feb 2016 M1 U1 MIT Yes Details →
0.10.0 06 Feb 2016 M1 U1 MIT Yes Details →
0.9.10 11 Apr 2015 M1 U1 MIT Yes Details →
0.9.9 04 Mar 2015 M1 U1 MIT Yes Details →
0.9.8 08 Oct 2014 M1 U1 MIT Yes Details →
0.9.7 25 Sep 2014 M1 U1 MIT Yes Details →
0.9.6 18 Aug 2014 M1 U1 MIT Yes Details →
0.9.5 10 Aug 2014 M1 U1 MIT Yes Details →
0.9.4 09 Jul 2014 M1 U1 MIT Yes Details →
0.9.3 09 Jul 2014 M1 U1 MIT Yes Details →
0.9.2 25 Jun 2014 M1 U1 MIT Yes Details →
0.8.0 25 Jun 2014 M1 U1 MIT Yes Details →
0.8.1 25 Jun 2014 M1 U1 MIT Yes Details →
0.8.2 25 Jun 2014 M1 U1 MIT Yes Details →
0.8.3 25 Jun 2014 M1 U1 MIT Yes Details →
0.9.0 25 Jun 2014 M1 U1 MIT Yes Details →
0.9.1 25 Jun 2014 M1 U1 MIT Yes Details →

All 36 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 2

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

03 Vulnerabilities

Recorded vulnerabilities for isso

The 2 most severe of 2 vulnerabilities recorded for this package

Search all 2 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2026-27469: Isso Package Vulnerable to Stored XSS via Comment Website Field 6.1 medium 0.13.2 24 Feb 2026
CVE-2026-27469: Isso Stored XSS Vulnerability via Comment Website Field 6.1 medium 0.13.2 13 Jul 2026

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 isso

Is isso safe to use?

Vulert records 2 vulnerabilities for isso in PyPI: 0 critical, 0 high, 1 medium and 0 low, plus 1 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 isso's Vulert package health score?

Vulert scores isso 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 isso affected?

No. 0.14.0, 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 isso should I use?

0.14.0 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 isso have?

2 vulnerabilities are recorded for isso in the PyPI ecosystem: 0 critical, 0 high, 1 medium and 0 low, plus 1 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 isso vulnerabilities disclosed?

2 vulnerabilities were recorded for isso in the last 12 months, and the oldest entry in this database dates to 24 Feb 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 isso 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 isso for upcoming vulnerabilities?

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