plug.cowboy vulnerabilities and fixes
Recent CVEs affecting plug.cowboy, with upgrade or downgrade steps. 1 tracked.
Also searched as: plug cowboy, plugcowboy.
plug.cowboy has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-27. Highest priority: CVE-2026-32688 (score 43/100).
- CVE-2026-32688 HIGH 7.5 UPGRADE Allocation of Resources Without Limits or Throttling vulnerability in elixir-plug plug_cowboy allows unauthent
FAQ
How do I fix plug.cowboy vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is plug.cowboy being exploited right now?
None of the tracked plug.cowboy CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which plug.cowboy CVE should I patch first?
CVE-2026-32688 currently ranks highest (43/100): Allocation of Resources Without Limits or Throttling vulnerability in elixir-plug plug_cowboy allows unauthent.