Vulnerability Database · Hex · plug_cowboy · Version
plug_cowboy 2.2.2
2.2.2 is affected by 2 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to.
Critical 0 High 2 Medium 0 Low 0 Unrated 0
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Released 25 May 2020
Also known from other sources 0
Newer releases 29
Database updated 23/Oct/2026
Release and licence data published by hex.pm. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
plug_cowboy 2.2.2 vulnerabilities
2 vulnerabilities cover plug_cowboy 2.2.2. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2026-32688: Plug.Cowboy Denial-of-Service Vulnerability via HTTP/2 Atom Table Exhaustion | 8.7 high | 2.8.1 | 05 May 2026 |
| CVE-2026-32688: plug_cowboy Atom Table Exhaustion via HTTP/2 :scheme Pseudo-header | 8.7 high | 2.8.1 | 27 Apr 2026 |
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Questions
About plug_cowboy 2.2.2
Is plug_cowboy 2.2.2 vulnerable?
Yes. 2 vulnerabilities in the Vulert database cover plug_cowboy 2.2.2: 0 critical, 2 high, 0 medium and 0 low. Each entry above names the fixed version to move to.
Is 2.2.2 the latest release of plug_cowboy?
No. 2.2.2 was published 25 May 2020, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor plug_cowboy for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the plug_cowboy version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.