RubyGems/websocket-driver CVE-2026-54463: high 7.5, EPSS 0.49%

websocket-driver: Memory exhaustion via abuse of protocol length headers

Action: Upgrade websocket-driver to 0.8.1 or later.

bundle update websocket-driver

Affected

Fixed versions

Sources

• osv: GHSA-ghhp-3qvg-889p
• nvd: CVE-2026-54463
• https://github.com/faye/websocket-driver-ruby/security/advisories/GHSA-ghhp-3qvg-889p
• https://github.com/faye/websocket-driver-ruby/commit/d0141f041f6e3677a951255d547a313e732ccbe0
• 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-2026-54463.yml
• https://www.cve.org/CVERecord/SearchResults?query=CVE-2026-54463

CVE-2026-54463 · published 2026-07-15T22:01:52Z · modified 2026-09-10T03:50:52.264963603Z · JSON