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Vulnerability Database · Go · Package report

github.com/quic-go/webtransport-go: vulnerability history, versions and safety

github.com/quic-go/webtransport-go is a package in the Go ecosystem. Vulert records 8 vulnerabilities for it across 84 releases, from Feb 2026 to Aug 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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8 vulnerabilities recorded M4 U4
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0 with no fix published

Every vulnerability has a patched version to move to.

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8 in the last 12 months

Most recent disclosure 18 Aug 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all github.com/quic-go/webtransport-go vulnerabilities

Vulert verdict on github.com/quic-go/webtransport-go v0.13.0 i

Updated on 23 Oct 2026

Action needed: v0.13.0 has 7 known vulnerabilities, but every one of them has a fix. Upgrade to the version listed below and you are clear.

Package health score 69/100
  • Security Some issues to review
  • Maintenance Sustainable
  • Popularity Widely used
  • Community Quiet

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 v0.13.0 — affected i
  • Vulnerabilities on record 8 over 1 year · 8 in the last year i
  • Latest disclosure 18 Aug 2026 i
  • Highest CVSS 5.3 i
  • With no published fix 0 i
  • Stars 516 i
  • OpenSSF scorecard 6/10 i
  • Last release 1 month ago i
  • Licence MIT 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/quic-go/webtransport-go, 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
v0.13.1-0.20261013124338-0480526e20c3 13 Oct 2026 M3 U4 MIT Yes Details →
v0.13.1-0.20260921072216-c2f41033be73 21 Sep 2026 M3 U4 MIT Yes Details →
v0.13.1-0.20260907140532-533dfa90ad77 07 Sep 2026 M3 U4 MIT Yes Details →
v0.13.0 30 Aug 2026 M3 U4 MIT Yes Details →
v0.12.1-0.20260824063454-79e2f9d3a1e8 24 Aug 2026 M3 U4 MIT Yes Details →
v0.12.1-0.20260804071944-6b58994807f9 04 Aug 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260727101430-23b4cd1439e9 27 Jul 2026 M3 U4 MIT Yes Details →
v0.12.0 27 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260726110911-ad61d5ed8f8e 26 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260725144145-27460e573dc3 25 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260725122855-cd19184e58d9 25 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260724182611-6f838a7ea00c 24 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260724172051-f824b4be2a90 24 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260720153540-abc4ce0cbded 20 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260719115857-a9ef36bd203b 19 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260711203820-db8e2446cec2 11 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260706110617-f30b90444be7 06 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1 05 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260705032317-3aecd1173657 05 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260705032152-a2d9e5cab744 05 Jul 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260628104443-1737232b6bd7 28 Jun 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260628101342-4be64a582af9 28 Jun 2026 M3 U4 MIT Yes Details →
v0.11.1-0.20260628080640-bda507ce96cf 28 Jun 2026 M3 U4 MIT Yes Details →
v0.11.0 15 Jun 2026 M3 U4 MIT Yes Details →
v0.10.1-0.20260614070507-39cf50978b1f 14 Jun 2026 M3 U4 MIT Yes Details →
v0.10.1-0.20260613072116-bebadc4cb5b1 13 Jun 2026 M3 U4 MIT Yes Details →
v0.10.1-0.20260611044423-d774cad87d76 11 Jun 2026 M3 U4 MIT Yes Details →
v0.10.1-0.20260509123036-27e20996f86d 09 May 2026 M3 U4 MIT Yes Details →
v0.10.1-0.20260312060737-05fe5253a73c 12 Mar 2026 M3 U4 MIT Yes Details →
v0.10.1-0.20260309100701-b1098a938b59 09 Mar 2026 M3 U4 MIT Yes Details →
v0.10.1-0.20260212040715-10bd5c48438b 12 Feb 2026 M3 U4 MIT Yes Details →
v0.10.0 12 Jan 2026 M3 U4 MIT Yes Details →
v0.9.1-0.20260111114619-128538a14311 11 Jan 2026 M3 U4 MIT Yes Details →
v0.9.1-0.20260108025406-5d8d3c4fd687 08 Jan 2026 M3 U4 MIT Yes Details →
v0.9.1-0.20260106115730-093f58bbc35e 06 Jan 2026 M3 U4 MIT Yes Details →
v0.9.1-0.20260104050022-3b5a3df73bee 04 Jan 2026 M3 U4 MIT Yes Details →
v0.9.1-0.20260104042233-0187fa1fd44f 04 Jan 2026 M3 U4 MIT Yes Details →
v0.9.1-0.20260103135651-661ba7fecbd6 03 Jan 2026 M3 U4 MIT Yes Details →
v0.9.1-0.20251229080003-254a8e12b84c 29 Dec 2025 M3 U4 MIT Yes Details →
v0.9.1-0.20251222144301-89a80614cd56 22 Dec 2025 M3 U4 MIT Yes Details →
v0.9.1-0.20251206065250-a5a21c1d8ddd 06 Dec 2025 M3 U4 MIT Yes Details →
v0.9.1-0.20251206045753-e7604b9977e2 06 Dec 2025 M3 U4 MIT Yes Details →
v0.9.1-0.20251115050751-b7714a748e1a 15 Nov 2025 M3 U4 MIT Yes Details →
v0.9.1-0.20251114074356-a4e0e9f77aca 14 Nov 2025 M3 U4 MIT Yes Details →
v0.9.1-0.20251110072608-7b46eff748f9 10 Nov 2025 M3 U4 MIT Yes Details →
v0.9.1-0.20251108062013-998e07d8f1b9 08 Nov 2025 M3 U4 MIT Yes Details →
v0.9.1-0.20251108040630-627caee855e5 08 Nov 2025 M3 U4 MIT Yes Details →
v0.9.0 24 Jun 2025 M3 U4 MIT Yes Details →
v0.8.1-0.20250617154214-d62037919799 17 Jun 2025 M3 U4 MIT Yes Details →
v0.8.1-0.20250616120123-59b4ac101a3b 16 Jun 2025 M3 U4 MIT Yes Details →
v0.8.1-0.20250615082159-b15cfe193360 15 Jun 2025 M3 U4 MIT Yes Details →
v0.8.1-0.20250607045527-0a9e2ee55f75 07 Jun 2025 M3 U4 MIT Yes Details →
v0.8.1-0.20250328130601-2671ef85124d 28 Mar 2025 M3 U4 MIT Yes Details →
v0.0.0-20241018022711-4ac2c9250e66 18 Oct 2024 M3 U4 MIT Yes Details →
v0.8.1-0.20241018022711-4ac2c9250e66 18 Oct 2024 M3 U4 MIT Yes Details →
v0.8.1-0.20241018022259-0f459d387a19 18 Oct 2024 M3 U4 MIT Yes Details →
v0.8.1-0.20240614155956-d0757e0a28e5 14 Jun 2024 M3 U4 MIT Yes Details →
v0.8.1-0.20240427182901-3845188c5819 27 Apr 2024 M3 U4 MIT Yes Details →
v0.8.0 27 Apr 2024 M3 U4 MIT Yes Details →
v0.7.1-0.20240426181444-36bc4d654970 26 Apr 2024 M3 U4 MIT Yes Details →
v0.7.1-0.20240425104752-0da5b748767d 25 Apr 2024 M3 U4 MIT Yes Details →
v0.7.1-0.20240411173748-ba7c5ff20911 11 Apr 2024 M3 U4 MIT Yes Details →
v0.7.1-0.20240402042009-c5beefb2d134 02 Apr 2024 M3 U4 MIT Yes Details →
v0.7.1-0.20240323211916-2ce8e10f2d3b 23 Mar 2024 M3 U4 MIT Yes Details →
v0.7.0 23 Mar 2024 M3 U4 MIT Yes Details →
v0.6.1-0.20240322071652-52911571052d 22 Mar 2024 M3 U4 MIT Yes Details →
v0.6.1-0.20240315025244-2275cd774471 15 Mar 2024 M3 U4 MIT Yes Details →
v0.6.1-0.20240315022320-04788840b19f 15 Mar 2024 M3 U4 MIT Yes Details →
v0.6.1-0.20240223095830-4f3d108ea950 23 Feb 2024 M3 U4 MIT Yes Details →
v0.6.1-0.20231105134933-9074577ba782 05 Nov 2023 M3 U4 MIT Yes Details →
v0.6.1-0.20231028051217-14f48ac85796 28 Oct 2023 M3 U4 MIT Yes Details →
v0.6.0 24 Sep 2023 M3 U4 MIT Yes Details →
v0.5.4-0.20230924104929-54cfaa35f2ed 24 Sep 2023 M3 U4 MIT Yes Details →
v0.5.4-0.20230825081005-8edcd6fabf8d 25 Aug 2023 M3 U4 MIT Yes Details →
v0.5.4-0.20230825012019-2963f2f73424 25 Aug 2023 M3 U4 MIT Yes Details →
v0.5.4-0.20230709002658-87dbcf985203 09 Jul 2023 M3 U4 MIT Yes Details →
v0.5.3 18 May 2023 M3 U4 MIT Yes Details →
v0.5.3-0.20230518063235-ab8eed73350c 18 May 2023 M3 U4 MIT Yes Details →
v0.5.3-0.20230417092821-2de0926fc645 17 Apr 2023 M3 U4 MIT Yes Details →
v0.5.3-0.20230417092729-0442cf0a0d1f 17 Apr 2023 M3 U4 MIT Yes Details →
v0.5.2 26 Feb 2023 M3 U4 MIT Yes Details →
v0.5.2-0.20230226210616-3faca67c95bf 26 Feb 2023 M3 U4 MIT Yes Details →
v0.5.1 08 Feb 2023 M3 U4 MIT Yes Details →
v0.5.0 02 Feb 2023 M3 U4 MIT Yes Details →

All 84 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 8

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 8 of the 8 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for github.com/quic-go/webtransport-go

The 5 most severe of 8 vulnerabilities recorded for this package

Search all 8 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2026-21438: webtransport-go Memory Exhaustion Attack Due to Missing Cleanup of Streams Map 5.3 medium 0.10.0 12 Feb 2026
CVE-2026-21434: webtransport-go Memory Exhaustion Attack via WT_CLOSE_SESSION Capsule 5.3 medium 0.10.0 12 Feb 2026
CVE-2026-21435: webtransport-go Denial of Service via Indefinite Session Closure 5.3 medium 0.10.0 12 Feb 2026
CVE-2026-57497: webtransport-go Memory Exhaustion Attack via Buffering of Unknown Capsules 5.3 medium 0.11.1 24 Jul 2026
CVE-2026-21438: Memory Exhaustion Attack in webtransport-go Due to Missing Cleanup of Streams Map N/A unrated 0.10.0 17 Feb 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/quic-go/webtransport-go

Is github.com/quic-go/webtransport-go safe to use?

Vulert records 8 vulnerabilities for github.com/quic-go/webtransport-go in Go: 0 critical, 0 high, 4 medium and 0 low, plus 4 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/quic-go/webtransport-go's Vulert package health score?

Vulert scores github.com/quic-go/webtransport-go 69/100, 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).

Is the latest version of github.com/quic-go/webtransport-go affected?

Yes. v0.13.0, the version you would install today, has 7 known vulnerabilities, and every one of them has a published fix. Upgrade to the version listed for each.

Which version of github.com/quic-go/webtransport-go should I use?

v0.13.0 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 github.com/quic-go/webtransport-go have?

8 vulnerabilities are recorded for github.com/quic-go/webtransport-go in the Go ecosystem: 0 critical, 0 high, 4 medium and 0 low, plus 4 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/quic-go/webtransport-go vulnerabilities disclosed?

8 vulnerabilities were recorded for github.com/quic-go/webtransport-go in the last 12 months, and the oldest entry in this database dates to 12 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 github.com/quic-go/webtransport-go 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/quic-go/webtransport-go for upcoming vulnerabilities?

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