CVE-2026-64941

URL Redirection to Untrusted Site 'Open Redirect' vulnerability in phoenixframework phoenixliveview allows an attacker to send a victim's browser to an origin of the attacker's choosing via a :to value containing ASCII tab, LF or CR. redirect/2 validates :to through the private validatelocalurl!/...

CVE-2026-64941 Open redirect in Phoenix.LiveView.validate_local_url!/2 via ASCII tab, LF and CR

URL Redirection to Untrusted Site 'Open Redirect' vulnerability in phoenixframework phoenixliveview allows an attacker to send a victim's browser to an origin of the attacker's choosing via a :to value containing ASCII tab, LF or CR. redirect/2 validates :to through the private validatelocalurl!/...

EUVD-2026-55263

URL Redirection to Untrusted Site 'Open Redirect' vulnerability in phoenixframework phoenixliveview allows an attacker to send a victim's browser to an origin of the attacker's choosing via a :to value containing ASCII tab, LF or CR. redirect/2 validates :to through the private validatelocalurl!/...

CVE-2026-64941

The CVE describes an Open Redirect in Phoenix.LiveView.validate_local_url!/2 where ASCII tab, LF or CR are not rejected. This allows a crafted :to value to bypass path-only validation and be resolved as a scheme-relative URL (e.g., //example.com) when using redirect/2 and related navigation funct...

CVE-2026-58228 Scheme validation bypass in Phoenix.LiveView.Utils leads to XSS via <.link>

Cross-site scripting vulnerability in phoenixframework phoenixliveview allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.validdestination!/2 and Phoenix.LiveView.Utils.validlivenavigationdestination!/2 functions in...

CVE-2026-58228 Scheme validation bypass in Phoenix.LiveView.Utils leads to XSS via <.link>

Cross-site scripting vulnerability in phoenixframework phoenixliveview allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.validdestination!/2 and Phoenix.LiveView.Utils.validlivenavigationdestination!/2 functions in...

CVE-2026-58228

Cross-site scripting vulnerability in phoenixframework phoenixliveview allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.validdestination!/2 and Phoenix.LiveView.Utils.validlivenavigationdestination!/2 functions in...

CVE-2026-58228

Summary: CVE-2026-58228 affects phoenix_live_view (Phoenix.LiveView.Utils) and enables XSS via due to scheme validation bypass. The root cause is the internal uri_scheme/1 helper in Phoenix.LiveView.Utils that only detects schemes when the first byte is an ASCII letter; inputs starting with ASCI...

CVE-2026-58228 Scheme validation bypass in Phoenix.LiveView.Utils leads to XSS via <.link>

Cross-site scripting vulnerability in phoenixframework phoenixliveview allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.validdestination!/2 and Phoenix.LiveView.Utils.validlivenavigationdestination!/2 functions in...

EEF-CVE-2026-58228 Scheme validation bypass in Phoenix.LiveView.Utils leads to XSS via <.link>

Summary Cross-site scripting vulnerability in phoenixframework phoenix\live\view allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.valid\destination!/2 and Phoenix.LiveView.Utils.valid\live\navigation\destination!/2...

Improper Check for Unusual or Exceptional Conditions

Overview org.webjars.npm:phoenix is a The official JavaScript client for the Phoenix web framework. Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions via the syncState and syncDiff presence reconciliation code in assets/js/phoenix/presence.js...

Improper Check for Unusual or Exceptional Conditions

Overview phoenix is a The official JavaScript client for the Phoenix web framework. Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions via the syncState and syncDiff presence reconciliation code in assets/js/phoenix/presence.js. An attacker ca...

CVE-2026-56812

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 channel topic. This vulnerability is...

CVE-2026-56811

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 transport WebSocket or LongPoll. This...

CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff

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 channel topic. This vulnerability is...

CVE-2026-56812

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 channel topic. This vulnerability is...

CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff

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 channel topic. This vulnerability is...

EUVD-2026-42050

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 channel topic. This vulnerability is...

CVE-2026-56812

The Phoenix JavaScript presence client suffers a client-side denial of service due to an unsafe existence check in Presence.syncState() and Presence.syncDiff(). By using a bare truthiness test (state[key]) to detect existing presences, attacker-controlled keys that collide with Object.prototype (...

EEF-CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff

Summary 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 channel topic. This vulnerabilit...