CVE-2026-54465

RubyGems/websocket-driver CVE-2026-54465: medium, EPSS 0.49%

websocket-driver: Memory exhaustion in HTTP header parser

Action: Upgrade websocket-driver to 0.8.1 or later.

bundle update websocket-driver

Affected

Fixed versions

Sources

• osv: GHSA-8j3g-f24p-4mpw
• https://github.com/faye/websocket-driver-ruby/security/advisories/GHSA-8j3g-f24p-4mpw
• https://nvd.nist.gov/vuln/detail/CVE-2026-54465
• https://github.com/faye/websocket-driver-ruby/commit/17b569f232896e71d458404ccf4854f80e987710
• https://github.com/faye/websocket-driver-ruby
• https://github.com/faye/websocket-driver-ruby/releases/tag/0.8.1
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/websocket-driver/CVE-2026-54465.yml
• https://www.cve.org/CVERecord/SearchResults?query=CVE-2026-54465

CVE-2026-54465 · published 2026-07-15T22:05:39Z · modified 2026-09-10T03:50:51.663838014Z · JSON