phoenix (npm)

Advisories

Latest version

—

License

—

OpenSSF Scorecard

—

How to fix

Upgrading to 1.8.9 or later clears every advisory below that has a fix.

Upgrade commands

npm

npm install phoenix@1.8.9

yarn

yarn add phoenix@1.8.9

pnpm

pnpm add phoenix@1.8.9

Known vulnerabilities

Advisory	Severity	Affected	Fixed in
EEF-CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff	High EPSS 0.80%	`>= 1.2.0-rc.0, < 1.5.15` `>= 1.6.0-rc.0, < 1.6.17` `>= 1.7.0-rc.0, < 1.7.24` `>= 1.8.0-rc.0, < 1.8.9`	`1.5.15` `1.6.17` `1.7.24` `1.8.9`
EEF-CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff	High EPSS 0.80%	`>= 1.2.0-rc.0, < 1.5.15`	`1.5.15`
EEF-CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff	High EPSS 0.80%	`>= 1.6.0-rc.0, < 1.6.17`	`1.6.17`
EEF-CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff	High EPSS 0.80%	`>= 1.7.0-rc.0, < 1.7.24`	`1.7.24`
EEF-CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff	High EPSS 0.80%	`>= 1.8.0-rc.0, < 1.8.9`	`1.8.9`

Is this in your code?

MergeHarbor checks every repository's dependencies against this database, ranks what matters by exploitability and reachability, routes it to the owning team and opens the fix pull request.

Check your repos with MergeHarbor