CyberSecBulletin

Phoenixframework vulnerabilities

We track 4 vulnerabilities in Phoenixframework products. 4 are rated high or critical, and none are known to be exploited. The most recent was published on July 7, 2026.

4vulnerabilities
0critical
4high
0exploited
7.8average CVSS score

Latest Phoenixframework vulnerabilities

  • 7.5 High severity

    phoenix: Improper Check for Unusual or Exceptional Conditions

    CVE-2026-56812Phoenixframework

    Improper Check for Unusual or Exceptional Conditions vulnerability in phoenixframework phoenix (Presence JavaScript client) allows an attacker with ordinary channel access to cause a persistent client-side denial of service against every viewer of a presence c

  • 7.5 High severity

    phoenix: Allocation of Resources Without Limits or Throttling

    CVE-2026-56811Phoenixframework

    Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix (Phoenix.Socket module) allows an unauthenticated attacker to cause a denial of service against any endpoint that mounts a Phoenix socket with a reachable channel tr

  • 8.7 High severity

    phoenix: Allocation of Resources Without Limits or Throttling

    CVE-2026-32689Phoenixframework

    Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix allows a denial of service via the long-poll transport's NDJSON body handling. In 'Elixir.Phoenix.Transports.LongPoll':publish/4, when a POST request is received wit

  • 7.5 High severity

    Phoenix: Incorrect Authorization

    CVE-2022-42975Phoenixframework

    socket/transport.ex in Phoenix before 1.6.14 mishandles check_origin wildcarding. NOTE: LiveView applications are unaffected by default because of the presence of a LiveView CSRF token.