Phoenix transports do not limit channel joins per connection, enabling process-exhaustion denial of service

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-56811 · Microsoft / collected KEV context

cve-program · CVE-2026-56811

• https://github.com/phoenixframework/phoenix/security/advisories/GHSA-6983-jfq8-485w
• https://cna.erlef.org/cves/CVE-2026-56811.html
• https://osv.dev/vulnerability/EEF-CVE-2026-56811
• https://github.com/phoenixframework/phoenix/commit/14a297e88023cb280a577962a49a0bbdeef9f4eb
• https://github.com/phoenixframework/phoenix/commit/c498ba8cf49f6accbbd0c643a5340b58db891218
• https://github.com/phoenixframework/phoenix/commit/d19ca0a8d9f82c130b7ed339b9f033433e2dea5e
• https://github.com/phoenixframework/phoenix/commit/a612100cd8a4279091abc1a2ef8fb98a6d01c0a1
• https://github.com/phoenixframework/phoenix/commit/16e295d2fccab185d1292322e2bee5d46c725c8a

No related operational record is retained in the current change model.