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Vulnerability Database · Maven · Package report

com.vaadin:flow-server: vulnerability history, versions and safety

com.vaadin:flow-server is a package in the Maven ecosystem. Vulert records 12 vulnerabilities for it across 7 releases, from Apr 2021 to Mar 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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12 vulnerabilities recorded H1 M7 L4
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0 with no fix published

Every vulnerability has a patched version to move to.

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1 in the last 12 months

Most recent disclosure 10 Mar 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all com.vaadin:flow-server vulnerabilities

Vulert verdict on com.vaadin:flow-server 25.3.4 i

Updated on 23 Oct 2026

Good news: 25.3.4, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 12.

Package health score 78/100
  • Security Minor issues
  • Maintenance Sustainable
  • Popularity Widely used
  • Community Moderate

What to do: Stay on 25.3.4 or newer. This can change: a vulnerability disclosed tomorrow can affect 25.3.4 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 25.3.4 — unaffected i
  • Vulnerabilities on record 12 over 4 years · 1 in the last year i
  • Latest disclosure 10 Mar 2026 i
  • Highest CVSS 8.6 i
  • With no published fix 0 i
  • Depended on by 149 packages i
  • Stars 758 i
  • OpenSSF scorecard 5/10 i
  • Last release this month i
  • Licence non-standard i

Version list, release dates, licence and dependants published by Maven Central, 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 com.vaadin:flow-server, 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
24.10.16 22 Oct 2026 none non-standard — Details →
23.7.0-beta7 21 Oct 2026 none non-standard — Details →
24.9.30 21 Oct 2026 none non-standard — Details →
24.4.21 21 Oct 2026 none non-standard — Details →
24.7.18 21 Oct 2026 none non-standard — Details →
23.6.17 21 Oct 2026 none non-standard — Details →
2.13.9 21 Oct 2026 M1 non-standard Yes Details →
25.2.15 21 Oct 2026 none Apache-2.0 — Details →
25.2.14 21 Oct 2026 none Apache-2.0 — Details →
24.7.17 14 Oct 2026 none non-standard — Details →
24.4.20 14 Oct 2026 none non-standard — Details →
2.13.8 13 Oct 2026 M1 non-standard Yes Details →
24.10.15 13 Oct 2026 none non-standard — Details →
23.7.0-beta6 13 Oct 2026 none non-standard — Details →
23.6.16 13 Oct 2026 none non-standard — Details →
24.4.19 13 Oct 2026 none Apache-2.0 — Details →
24.7.16 13 Oct 2026 none Apache-2.0 — Details →
24.9.29 13 Oct 2026 none non-standard — Details →
25.3.4 13 Oct 2026 none Apache-2.0 — Details →
25.1.19 13 Oct 2026 none Apache-2.0 — Details →
25.2.13 12 Oct 2026 none Apache-2.0 — Details →
25.3.3 08 Oct 2026 none Apache-2.0 — Details →
24.4.18 07 Oct 2026 none Apache-2.0 — Details →
24.7.15 07 Oct 2026 none Apache-2.0 — Details →
24.9.28 05 Oct 2026 none non-standard — Details →
24.10.14 05 Oct 2026 none non-standard — Details →
25.3.2 02 Oct 2026 none Apache-2.0 — Details →
25.2.12 02 Oct 2026 none Apache-2.0 — Details →
24.10.13 02 Oct 2026 none non-standard — Details →
25.2.11 02 Oct 2026 none Apache-2.0 — Details →
25.3.1 02 Oct 2026 none Apache-2.0 — Details →
25.1.18 24 Sep 2026 none Apache-2.0 — Details →
25.2.10 24 Sep 2026 none Apache-2.0 — Details →
23.6.15 23 Sep 2026 none non-standard — Details →
25.3.0 22 Sep 2026 none Apache-2.0 — Details →
24.9.27 21 Sep 2026 none non-standard — Details →
25.3.0-rc2 16 Sep 2026 none Apache-2.0 — Details →
25.3.0-rc1 15 Sep 2026 none Apache-2.0 — Details →
25.1.17 14 Sep 2026 none Apache-2.0 — Details →
25.3.0-beta3 10 Sep 2026 none Apache-2.0 — Details →
25.1.16 10 Sep 2026 none Apache-2.0 — Details →
25.2.9 10 Sep 2026 none Apache-2.0 — Details →
25.3.0-beta2 07 Sep 2026 none Apache-2.0 — Details →
24.10.12 04 Sep 2026 none non-standard — Details →
25.3.0-beta1 02 Sep 2026 none Apache-2.0 — Details →
25.2.8 02 Sep 2026 none Apache-2.0 — Details →
25.1.15 17 Aug 2026 none Apache-2.0 — Details →
24.9.26 14 Aug 2026 none non-standard — Details →
24.10.11 14 Aug 2026 none non-standard — Details →
25.2.7 14 Aug 2026 none Apache-2.0 — Details →
25.1.14 07 Aug 2026 none Apache-2.0 — Details →
24.10.10 07 Aug 2026 none non-standard — Details →
24.9.25 07 Aug 2026 none non-standard — Details →
23.7.0-beta5 06 Aug 2026 none non-standard — Details →
2.13.7 06 Aug 2026 M1 non-standard Yes Details →
25.2.6 06 Aug 2026 none Apache-2.0 — Details →
25.1.13 24 Jul 2026 none Apache-2.0 — Details →
25.2.5 24 Jul 2026 none Apache-2.0 — Details →
24.9.24 17 Jul 2026 none non-standard — Details →
24.10.9 16 Jul 2026 none non-standard — Details →
23.6.14 16 Jul 2026 none non-standard — Details →
25.2.4 15 Jul 2026 none Apache-2.0 — Details →
25.1.12 15 Jul 2026 none Apache-2.0 — Details →
25.2.3 15 Jul 2026 none Apache-2.0 — Details →
24.9.23 13 Jul 2026 none non-standard — Details →
25.2.2 10 Jul 2026 none Apache-2.0 — Details →
24.10.8 09 Jul 2026 none non-standard — Details →
24.9.22 09 Jul 2026 none non-standard — Details →
2.13.6 09 Jul 2026 M1 non-standard Yes Details →
25.0.15 09 Jul 2026 none Apache-2.0 — Details →
23.6.13 09 Jul 2026 none non-standard — Details →
23.7.0-beta4 09 Jul 2026 none non-standard — Details →
25.2.1 26 Jun 2026 none Apache-2.0 — Details →
25.2.0 23 Jun 2026 none Apache-2.0 — Details →
25.2.0-rc2 17 Jun 2026 none Apache-2.0 — Details →
25.2.0-rc1 16 Jun 2026 none Apache-2.0 — Details →
25.1.11 15 Jun 2026 none Apache-2.0 — Details →
25.2.0-beta2 12 Jun 2026 none Apache-2.0 — Details →
24.10.7 08 Jun 2026 none Apache-2.0 — Details →
24.9.21 08 Jun 2026 none Apache-2.0 — Details →
25.0.14 08 Jun 2026 none Apache-2.0 — Details →
24.9.20 08 Jun 2026 none Apache-2.0 — Details →
25.1.10 08 Jun 2026 none Apache-2.0 — Details →
24.10.6 08 Jun 2026 none Apache-2.0 — Details →
25.1.9 03 Jun 2026 none Apache-2.0 — Details →
25.1.8 02 Jun 2026 none Apache-2.0 — Details →
25.2.0-beta1 26 May 2026 none Apache-2.0 — Details →
25.1.7 25 May 2026 none Apache-2.0 — Details →
23.6.12 22 May 2026 none non-standard — Details →
25.1.6 22 May 2026 none Apache-2.0 — Details →
25.0.13 22 May 2026 none Apache-2.0 — Details →
24.9.19 21 May 2026 none Apache-2.0 — Details →
24.10.5 20 May 2026 none Apache-2.0 — Details →
25.1.5 04 May 2026 none Apache-2.0 — Details →
25.0.12 04 May 2026 none Apache-2.0 — Details →
23.7.0-beta3 04 May 2026 none non-standard — Details →
24.10.4 04 May 2026 none Apache-2.0 — Details →
24.9.18 04 May 2026 none Apache-2.0 — Details →
23.6.11 04 May 2026 none non-standard — Details →
2.13.5 30 Apr 2026 M1 non-standard Yes Details →
25.0.11 27 Apr 2026 none — — Details →
25.1.4 27 Apr 2026 none — — Details →
24.10.3 27 Apr 2026 none — — Details →
24.9.17 27 Apr 2026 none — — Details →
2.13.4 22 Apr 2026 M1 — Yes Details →
24.9.16 20 Apr 2026 none — — Details →
24.10.2 20 Apr 2026 none — — Details →
25.0.10 20 Apr 2026 none — — Details →
25.1.3 17 Apr 2026 none — — Details →
25.1.2 16 Apr 2026 none — — Details →
24.9.15 31 Mar 2026 none — — Details →
24.10.1 31 Mar 2026 none — — Details →
25.1.1 27 Mar 2026 none — — Details →
25.0.9 25 Mar 2026 none — — Details →
23.7.0-beta2 25 Mar 2026 none — — Details →
23.6.10 25 Mar 2026 none — — Details →
2.13.3 25 Mar 2026 M1 — Yes Details →
25.1.0 24 Mar 2026 none — — Details →
25.1.0-rc1 18 Mar 2026 none — — Details →
24.10.0 17 Mar 2026 none — — Details →

The newest 120 of 703 versions Vulert tracks. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2021 10
  • 2023 1
  • 2026 1

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 1 of the 12 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for com.vaadin:flow-server

The 5 most severe of 12 vulnerabilities recorded for this package

Search all 12 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2021-31407: Vulnerability in OSGi applications using Vaadin 12-14 and 19 8.6 high 2.4.8 19 Apr 2021
Insecure Temporary Directory Usage in Vaadin 14 and 15-19 6.3 medium 2.5.3 06 May 2021
CVE-2019-25027: Reflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-13 6.1 medium 1.0.11 19 Apr 2021
CVE-2020-36321: Directory Traversal in Vaadin 14 and 15-17 5.9 medium 5.0.0 19 Apr 2021
CVE-2026-2742: Vaadin Authentication Bypass Vulnerability in /VAADIN Endpoint 5.3 medium 14.14.1 10 Mar 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 com.vaadin:flow-server

Is com.vaadin:flow-server safe to use?

Vulert records 12 vulnerabilities for com.vaadin:flow-server in Maven: 0 critical, 1 high, 7 medium and 4 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 com.vaadin:flow-server's Vulert package health score?

Vulert scores com.vaadin:flow-server 78/100, 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 com.vaadin:flow-server affected?

No. 25.3.4, 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 com.vaadin:flow-server have?

12 vulnerabilities are recorded for com.vaadin:flow-server in the Maven ecosystem: 0 critical, 1 high, 7 medium and 4 low. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new com.vaadin:flow-server vulnerabilities disclosed?

1 vulnerability was recorded for com.vaadin:flow-server in the last 12 months, and the oldest entry in this database dates to 19 Apr 2021. 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 com.vaadin:flow-server 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 com.vaadin:flow-server for upcoming vulnerabilities?

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