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Vulnerability Database · Go · Package report

github.com/flannel-io/flannel: vulnerability history, versions and safety

github.com/flannel-io/flannel is a package in the Go ecosystem. Vulert records 2 vulnerabilities for it across 120 releases, from Mar 2026 to Apr 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 H1 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 02 Apr 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all github.com/flannel-io/flannel vulnerabilities

Vulert verdict on github.com/flannel-io/flannel v0.28.10 i

Updated on 23 Oct 2026

Action needed: v0.28.10 has 2 known vulnerabilities, but every one of them has a fix. Upgrade to the version listed below and you are clear.

Package health score 87/100
  • Security Minor issues
  • Maintenance Sustainable
  • Popularity Key ecosystem project
  • Community Active

What to do: Upgrade to the version that resolves each vulnerability below. Fix it, then keep watch: this version is affected today, and the next one may be too — Vulert alerts you when a new vulnerability lands. Monitor it with Vulert →

  • Current release v0.28.10 — affected i
  • Vulnerabilities on record 2 over 1 year · 2 in the last year i
  • Latest disclosure 02 Apr 2026 i
  • Highest CVSS 7.5 i
  • With no published fix 0 i
  • Stars 9,560 i
  • OpenSSF scorecard 8/10 i
  • Last release this month i
  • Licence Apache-2.0 i

Version list, release dates, licence and dependants published by the Go module proxy, 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 github.com/flannel-io/flannel, 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
v0.28.10 08 Oct 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.10-0.20261006134849-9879b927b385 06 Oct 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.10-0.20261002073055-7f15dc159f90 02 Oct 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.10-0.20260930134422-561d90d132e2 30 Sep 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.10-0.20260918134131-7a25645c7feb 18 Sep 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.10-0.20260917150521-3cbc885e8a99 17 Sep 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.10-0.20260828083730-a868210f42e4 28 Aug 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.10-0.20260812094112-cdc17c2aadf2 12 Aug 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.10-0.20260811133818-793cbe55071d 11 Aug 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.9 07 Aug 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.9-0.20260723092131-4613e8fa1097 23 Jul 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.8 22 Jul 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.8-0.20260718050934-91b7108f3920 18 Jul 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.7 07 Jul 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.6 06 Jul 2026 H1 U1 Apache-2.0 Yes Details →
v0.0.0-20260629155125-ebd00fdea561 29 Jun 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.5 04 Jun 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.5-0.20260519140743-c1fae597401f 19 May 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.4 15 Apr 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.3 15 Apr 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.2 27 Mar 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.2-0.20260327154647-08bc9a4c990a 27 Mar 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.1 04 Feb 2026 H1 U1 Apache-2.0 Yes Details →
v0.28.0 06 Jan 2026 H1 U1 Apache-2.0 Yes Details →
v0.27.4 01 Oct 2025 H1 U1 Apache-2.0 Yes Details →
v0.27.3 01 Sep 2025 H1 U1 Apache-2.0 Yes Details →
v0.27.2 21 Jul 2025 H1 U1 Apache-2.0 Yes Details →
v0.27.2-0.20250718132412-03d3289d6f9e 18 Jul 2025 H1 U1 Apache-2.0 Yes Details →
v0.27.1 10 Jul 2025 H1 U1 Apache-2.0 Yes Details →
v0.27.0 04 Jun 2025 H1 U1 Apache-2.0 Yes Details →
v0.26.7 15 Apr 2025 H1 U1 Apache-2.0 Yes Details →
v0.26.6 08 Apr 2025 H1 U1 Apache-2.0 Yes Details →
v0.26.5 05 Mar 2025 H1 U1 Apache-2.0 Yes Details →
v0.26.4 04 Feb 2025 H1 U1 Apache-2.0 Yes Details →
v0.26.3 08 Jan 2025 H1 U1 Apache-2.0 Yes Details →
v0.26.2 12 Dec 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.2-0.20241202171312-5ede370daf2b 02 Dec 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.2-0.20241126144939-45e71e11d563 26 Nov 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.2-0.20241125132601-788c2892e18e 25 Nov 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.2-0.20241120135808-97a2b271a5f3 20 Nov 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.2-0.20241115160430-0e99f63d710b 15 Nov 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.2-0.20241112180901-299b2a3b2162 12 Nov 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.1 07 Nov 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.1-0.20241107153453-3c5afe727f24 07 Nov 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.1-0.20241030161804-e843ffbde783 30 Oct 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.8-0.20241023092403-79bd7f2d9264 23 Oct 2024 H1 U1 Apache-2.0 Yes Details →
v0.26.0 23 Oct 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.7 07 Oct 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.7-0.20241007080250-41d7069b8cfe 07 Oct 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.7-0.20240905152130-d58bf455317e 05 Sep 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.6 27 Aug 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.6-0.20240821082034-61972203a81a 21 Aug 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.6-0.20240718153803-bb077808679f 18 Jul 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.5 17 Jul 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.5-0.20240708132020-8f480ccfb131 08 Jul 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.5-0.20240701090536-37f9e44eb008 01 Jul 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.4 10 Jun 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.4-0.20240610162758-e3725e8bb4e6 10 Jun 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.3 31 May 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.3-0.20240531134208-b469eaea226f 31 May 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.2 23 May 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.2-0.20240523133547-bf598473dc71 23 May 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.2-0.20240517094850-7ce049f380aa 17 May 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.1 12 Apr 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.1-0.20240412103817-f0215be22814 12 Apr 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.5-0.20240408123502-56cfbcdeab0a 08 Apr 2024 H1 U1 Apache-2.0 Yes Details →
v0.25.0 08 Apr 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.5-0.20240321170412-de8b1f0553e4 21 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.5-0.20240320135358-41a4a4d566ae 20 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.5-0.20240319103036-e4a50b21df3d 19 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.4 18 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.4-0.20240315182722-572a4f72747f 15 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.4-0.20240312090509-8ac2e92beb62 12 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.4-0.20240308142337-e91201b7c6e3 08 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.0.0-20240306154651-be024cc1fee0 06 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.3 06 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.3-0.20240306154651-be024cc1fee0 06 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.3-0.20240305163259-223792fb8e16 05 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.3-0.20240301094828-7c3590f40ac1 01 Mar 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.3-0.20240229173725-bbe829ee87ed 29 Feb 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.3-0.20240226103230-4f1ba77bfb87 26 Feb 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.3-0.20240220101812-aafad21f1ad7 20 Feb 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.2 19 Jan 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.2-0.20240119104726-3d56ed16e123 19 Jan 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.1 16 Jan 2024 H1 U1 Apache-2.0 Yes Details →
v0.24.1-0.20231222102836-e8fb8108622b 22 Dec 2023 H1 U1 Apache-2.0 Yes Details →
v0.23.1-0.20231219113705-2ebe66308c7f 19 Dec 2023 H1 U1 Apache-2.0 Yes Details →
v0.24.0 19 Dec 2023 H1 U1 Apache-2.0 Yes Details →
v0.23.1-0.20231212142940-017927737f22 12 Dec 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.4-0.20231030144838-c498d00a87d3 30 Oct 2023 H1 U1 Apache-2.0 Yes Details →
v0.23.0 30 Oct 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.4-0.20231016131050-44f55847424b 16 Oct 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.4-0.20231004070647-e6111fc23fb7 04 Oct 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.3 18 Sep 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.3-0.20230918141145-49d0dd38267a 18 Sep 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.2 18 Aug 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.2-0.20230818065140-148b6d6a58de 18 Aug 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.2-0.20230817091129-557cc09a92c2 17 Aug 2023 H1 U1 Apache-2.0 Yes Details →
v0.0.0-20230816162651-eea8c2e39198 16 Aug 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.1 27 Jul 2023 H1 U1 Apache-2.0 Yes Details →
v0.22.1-0.20230727085356-c17e715d4b7c 27 Jul 2023 H1 U1 — Yes Details →
v0.21.6-0.20230529125345-629cd70d816e 29 May 2023 H1 U1 — Yes Details →
v0.22.0 29 May 2023 H1 U1 — Yes Details →
v0.21.6-0.20230517160303-d67d4fa9b643 17 May 2023 H1 U1 — Yes Details →
v0.21.5 04 May 2023 H1 U1 — Yes Details →
v0.17.1-0.20230330145018-bec43b3f43e7 30 Mar 2023 H1 U1 — Yes Details →
v0.21.5-0.20230330145018-bec43b3f43e7 30 Mar 2023 H1 U1 — Yes Details →
v0.21.5-0.20230329125021-199b46456990 29 Mar 2023 H1 U1 — Yes Details →
v0.21.5-0.20230323162407-7554e740e2e5 23 Mar 2023 H1 U1 — Yes Details →
v0.21.4 22 Mar 2023 H1 U1 — Yes Details →
v0.21.1-k3s1.23.0.20230310172335-d64593b7edd1 10 Mar 2023 H1 U1 — Yes Details →
v0.21.3-k3s1.23 10 Mar 2023 H1 U1 — Yes Details →
v0.21.3 08 Mar 2023 H1 U1 — Yes Details →
v0.21.2 14 Feb 2023 H1 U1 — Yes Details →
v0.21.0-k3s1.23.0.20230208135658-582f5511c3d5 08 Feb 2023 H1 U1 — Yes Details →
v0.21.1-k3s1.23 08 Feb 2023 H1 U1 — Yes Details →
v0.21.1 08 Feb 2023 H1 U1 — Yes Details →
v0.21.1-0.20230208110327-d95dcb165c39 08 Feb 2023 H1 U1 — Yes Details →
v0.20.2-k3s1.23.0.20230207170415-067ed7f6ef35 07 Feb 2023 H1 U1 — Yes Details →
v0.21.0-k3s1.23 07 Feb 2023 H1 U1 — Yes Details →

The newest 120 of 220 versions Vulert tracks. 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 github.com/flannel-io/flannel

The 2 most severe of 2 vulnerabilities recorded for this package

Search all 2 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2026-32241: Flannel Remote Code Execution via Extension Backend Injection 7.5 high 0.28.2 27 Mar 2026
CVE-2026-32241: Remote Code Execution Vulnerability in Flannel Package N/A unrated 0.28.2 02 Apr 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 github.com/flannel-io/flannel

Is github.com/flannel-io/flannel safe to use?

Vulert records 2 vulnerabilities for github.com/flannel-io/flannel in Go: 0 critical, 1 high, 0 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 github.com/flannel-io/flannel's Vulert package health score?

Vulert scores github.com/flannel-io/flannel 87/100, which reads as healthy. 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 github.com/flannel-io/flannel affected?

Yes. v0.28.10, the version you would install today, has 2 known vulnerabilities, and every one of them has a published fix. Upgrade to the version listed for each.

Which version of github.com/flannel-io/flannel should I use?

v0.28.10 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/flannel-io/flannel have?

2 vulnerabilities are recorded for github.com/flannel-io/flannel in the Go ecosystem: 0 critical, 1 high, 0 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 github.com/flannel-io/flannel vulnerabilities disclosed?

2 vulnerabilities were recorded for github.com/flannel-io/flannel in the last 12 months, and the oldest entry in this database dates to 27 Mar 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 github.com/flannel-io/flannel 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/flannel-io/flannel for upcoming vulnerabilities?

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